Hi.
user
Hello. How may I help you?
assistant
I had done flight ticket booking last week to spend my holiday vacation with my family. But, due to some weather conditions I would like to change my booking which I have done.
user
Ok, please provide your name to check your status.
assistant
Please once check with the name of David Mitchell.
user
There is no reservation found under your name to change your reservation.
assistant
It's ok, thanks for your information.
user
Welcome, have a good day.
assistant