Hi.
user
Hello, how may I assist you today?
assistant
Can you help me to change the dates of my reservation as my exam got postponed?
user
Sure, may I know your name for the changing process?
assistant
My name is Raymond Garcia.
user
Sorry as per your concern I can not amend your reservation, as your reservation is not found as per our records for change.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for reaching us.
assistant