You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have frustrated with your service, why because one of your agent misprint my name, so I want to change my reservation. Can you please help me out?

ASSISTANT: Ok, may I know your name to check the previous reservation of your's?

USER: Sure, my name is Paul Thompson.

ASSISTANT: Please wait for a while, let me check the status of reservation.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation existed on your name.

USER: Oh, sad to hear that. Anyway, thank you for the information.

ASSISTANT: Welcome, have a nice day.