Hello. I am David Evans.
user
Hello, how may I render you today?
assistant
I want to cancel my reservation due to prepone of my trip dates.
user
Sure, please wait for a while.
assistant
Sure.
user
Thank you for waiting. We hardly tried to find your reservation but, no reservation has been found with your name.
assistant
Okay, not a problem, thank you.
user
Thank you for consulting us with a query.
assistant