You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my previous reservation as my mother is not well and I cannot go to the trip. Can you please help?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Christine Martin.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: Thanks for your valuable time, there is no active reservation found on your name.

USER: Thank you for your time.

ASSISTANT: Thank you for opting us.