You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to heavy rainfall in my destination place, so I would like to cancel my reservation.

ASSISTANT: May I know your name, please?

USER: Sure, you can check my reservation on the name of Stephanie Carter.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation in database on your name.

USER: Not an issue. Thanks for your support.

ASSISTANT: Thank you for contacting us.