You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Miller.

ASSISTANT: How may I aid you today?

USER: I want to cancel my reservation, due to heavy rainfall in New York, can you help me?

ASSISTANT: I would be happy to help you with that. Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.