You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Andrew Turner. I just want to cancel my reservation, because I would like to travel in The Queen Mary Ship to reach my destination.

ASSISTANT: Please wait a while. Sorry to say, there is no reservation on your name in our database.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for opting us.