Hello.
user
Hello. How may I help you?
assistant
I am Thomas Lee from Austin. I want to change my travel dates, due to some problems I am unable to travel those dates so can you please change my reservation?
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry, there is no reservation found basis on your details.
assistant
Oh! It's ok no problem. Thank you for your information.
user
Most welcome.
assistant