Hi.
user
Hello. How may I assist you today?
assistant
Can you please change my recent reservation? As my planned trip has been postponed to some other dates.
user
Sure, may I know your name?
assistant
Sure, my name is Cynthia Lewis.
user
Sorry, there is no reservation on your name.
assistant
Oh! That's ok, thank you for giving the information anyways.
user
Thank you.
assistant