Hello.
user
Hello. How may I help you?
assistant
I want to change my reservation, due to some problems I am unable to travel those dates, can you please change my travel dates?
user
Sure, can you help me with your name to check your reservation process?
assistant
Sure, my name is Richard Perez.
user
Sorry, no reservation found on your name.
assistant
Oh! It's ok no problem. Thank you for your information.
user
Thank you for choosing us, have a nice day.
assistant