You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, will you please let me know your name to check the reservation status and revert you?

USER: Myself Edward Baker.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our data base.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.