You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to cancel my previous flight ticket booking due to the match got cancelled, so can you please help me with cancellation process?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Thank you and my name is Sharon Thomas.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found your reservation and it has been cancelled.

USER: Thank you for cancelling my previous flight ticket booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.