You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: William Garcia here.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you so much.