You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, please let me know your name.

USER: Mark Martinez here.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: No problem, Thanks for the information.

ASSISTANT: Have a nice day.