A：Hello,this is convention center.What can I do for you?
B:Hello.I'am C company's deputy.Can we revise the location of the booth?
A:Of course.Please say the concrete location.
B:Good,we want to change to D exhibition booth.
A:Ok,as you wish.Is there anything else I can do for you?
B:No,thans.Bye.
A:Byebye.