You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In what way may I aid you now?

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

ASSISTANT: Sure, I will help you. For cancellation, I want to know your name please.

USER: Paul Young here.

ASSISTANT: Thanks for your name. We found that there was no reservation  with your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for your time with us.