You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicolas Lopez.

ASSISTANT: How may I assist you at this moment?

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

ASSISTANT: Sure, I will help you with that. Please wait a moment to check your previous reservation.

USER: Sure.

ASSISTANT: Sorry, there is no reservation with your name in our records.

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

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