You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Barbara Lewis.

ASSISTANT: Ok. How may I help you?

USER: As there is a heavy rain in my destination, I want to cancel my reservation.

ASSISTANT: Ok.

USER: Will you help me in cancelling my reservation?

ASSISTANT: Sure, I will check the flights and revert to you.

USER: Thank you. Sure.

ASSISTANT: Thanks for your time, no reservation is found on your name.

USER: Ok,.

ASSISTANT: Thank you.

USER: Thank you for quick response.