You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation, due to the heavy rainfall from a couple of days. Can you help me with that?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Donna Taylor.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name. Shall I proceed to cancel?

USER: Yes, please cancel it.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for the quick service.

ASSISTANT: Thank you for availing us.