You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I need to attend one business meeting, but due to bad weather, I am unable to move from this place.So cancel my ticket.

ASSISTANT: Sure, May I know your name?

USER: I am Kimberly Hall.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Thanks for the quick response.

ASSISTANT: Thank you for opting us.