You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me in cancelling my flight ticket?

ASSISTANT: Sure, may I know your name?

USER: I am Thomas Miller.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a reservation in your name. Shall I proceed for cancellation process?

USER: Yes, You can proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks for being my helping hand.

ASSISTANT: Thanks for choosing us.