You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to cancel my flight ticket booking due to cancel of sports match, can you please help in that cancellation process?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you for considering my request.

ASSISTANT: May I know your name to check your reservation status?

USER: Sure, my name is Lisa Allen.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: Ok, that's fine. Thank you for your immediate response.

ASSISTANT: Thank you for reaching us.

USER: Welcome.