You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Kenneth campbell, here. Due to high increase in temperature in JFK, I want to cancel my reservation.

ASSISTANT: Oh! please give me few seconds, I will go through the details.

USER: Sure.

ASSISTANT: There is no reservation found for you, Campbell.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for choosing us.