Hello.
user
Hello, how can I help you today?
assistant
I would like to change my recent reservation because my trip dates are got postponed, can you help me?
user
Let me know your name to check your reservation?
assistant
I am Alexander Jackson.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant