Hello.
user
Hi. How can I help you?
assistant
Due to some business work, I want to postponed my trip. Can you change my recent reservation?
user
Sure, may I know your name?
assistant
It's alright, thank for your help. My name is Barbara Young.
user
I am sorry , no reservation found on your name.
assistant
Ok, It's alright, anyway thank you for your valuable information.
user
Thank you.
assistant