Hi.
user
Hello, how may I help you at this moment?
assistant
I want to change my existing reservation. Can you help me in this?
user
Sure, I will help you. Please wait for a moment.
assistant
Ok.
user
May I know on which name ticket has been booked?
assistant
I am William Anderson.
user
Sorry, there is no reservation showing on your name.
assistant
Not a problem, thank you.
user
You are welcome. Thank you for opting us, have a nice day.
assistant