You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER:  I have to cancel my flight ticket booking that I am unable to travel the trip which I have planned due to some important meeting , can you help me in cancelling my flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your good name.

USER: I am Frank Anderson.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no reservation on your name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.