You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be your helping hand?

USER: Due to heavy rain, I want to cancel my reservation.

ASSISTANT: Ok.

USER: Can you help me?

ASSISTANT: To cancel your reservation, may I have your name?

USER: John Rodriguez here.

ASSISTANT: Sorry, there was no reservation on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for consulting us. Have a good day.