You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob nelson.

ASSISTANT: Do you want me to help you with anything?

USER: Due to heavy rainfall in New York, i want to cancel my reservation.

ASSISTANT: Sure, I am happy to help you. Give me a minute.

USER: Sure.

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

USER: That's ok, I will check for other alternatives.

ASSISTANT: Thank you for contacting us.

USER: Thanks for helping me out.