You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Timothy Wilson. My planned trip got cancelled, can you please help me in flight ticket cancellation process?

ASSISTANT: Please wait a while. Sorry to say, there is no reservation on your name in our database.

USER: Ok, that's fine. I think my flight ticket booking is not done while I was booking. Thank you for your immediate response.

ASSISTANT: Thank you for opting us.

USER: Welcome.