You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

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

ASSISTANT: May I have your name please?

USER: Christine Baker here.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is no reservation found with your given name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.