You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Betty Moore here.

ASSISTANT: How can I assist you Betty Moore?

USER: Due to heavy rains, I want to quit my trip. So please cancel my recent reservation.

ASSISTANT: Sure, I will help you with this. Betty Moore, there is no active reservation found under your name in our database.

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

ASSISTANT: Thank you for choosing our service.