You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I don't have funds to support my expenses. Please cancel my reservation.

ASSISTANT: Ok, may I know your name please to check the status?

USER: My name is David King.

ASSISTANT: King, there are no active reservations found with your details.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.