Hello.
user
Hello.
assistant
I want to change my existing reservation due to some problems, can you please help me?
user
Sure, may I know your name please?
assistant
Sure, my name is David Davis.
user
Ok, please be on hold.
assistant
Sure, take your time.
user
David, there is no reservation found under your name to do changes in it.
assistant
Ok, that's fine. Thank you for your service.
user
Thank you for choosing us.
assistant