You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Steven Lee.

ASSISTANT: How may I guide you?

USER: Actually, I booked a ticket to NYC for a event but due to bad weather, I want to cancel my trip.

ASSISTANT: Ok, so do you want me to cancel your reservation?

USER: Yes.

ASSISTANT: I am sorry to inform you that there is no reservation with your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you, have a good day.