Hello.
user
Hello, how can I amend you today?
assistant
I am Alexander Martin.
user
Ok.
assistant
My sister's marriage was postponed, so please change my existing reservation.
user
Sure, I will help you with that.
assistant
Ok.
user
Please wait a while.
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
Ok, not an issue. Thank you for your help.
user
Thank you for opting us.
assistant