You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Turner.

ASSISTANT: How can I be a hand help to you?

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found for the user name when I have checked in our data base.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: It's my pleasure and have a nice day.