Associate Bickering

I recently sent out an updated Outlook appointment reminder notifying the attendees of the conference room I booked. The last time we had a telephone conference, our partner kept us for two hours afterwards discussing opinions, so I tacked on two extra hours:

From: Associate 1
Sent: Thursday, September 07,:43 AM
To: G-man
Subject: Do you think we will need 3 hours for the conference?
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From: G-man
Sent: Thursday, September 07,:03 AM
To: Associate 1
Cc: Partner; Associate 2
Subject: RE: Do you think we will need 3 hours for the conference?
No, but I reserved the conference room for three hours just in case we wanted to talk about what we learn after we hang up with the client.
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From: Associate 2
Sent: Thursday, September 07,:05 AM
To: G-man
Subject: RE: Do you think we will need 3 hours for the conference?
Did you order dinner and cots?
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From: G-man
Sent: Thursday, September 07,:06 AM
To: Associate 2
Cc: Associate 1
Subject: RE: Do you think we will need 3 hours for the conference?
No, but I'll save some food from the attorney lunch today if you want.
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From: Associate 2
Sent: Thursday, September 07,:07 AM
To: G-man
Cc: Associate 1
Subject: RE: Do you think we will need 3 hours for the conference?
Probably just the yellow rice will be left over.
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From: G-man
Sent: Thursday, September 07,:06 AM
To: Associate 2
Cc: Associate 1
Subject: RE: Do you think we will need 3 hours for the conference?
Well, I got some chop stix 4 u in my desk drawer, so u don't have to eat it with your hands.