You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this time?

USER: Myself Jack Wilson. I would like to cancel my recent reservation, due to heavy rain fall. Could you please help me out?

ASSISTANT: Sure, I am oblige to help you in ticket cancellation. Please allow me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there is no ticket booking found in our data base to help you in cancellation process.

USER: That's ok, no problem. Thank you for checking.

ASSISTANT: My work is to help you and thank you for reaching us.