Hello.
user
Hello, may I know your good name please?
assistant
I am Benjamin Harris.
user
How can I assist you?
assistant
As my exams were postponed, I need to change my existing reservation. So, please help with that.
user
Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, we have no filght found with your requirements to change.
assistant
Ok, thanks for the information.
user
Thanks for choosing us.
assistant