You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Owing to an emergency, I need to cancel my reservation, can you help me with cancelling my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, I have made my reservation under name Timothy Lopez.

ASSISTANT: Please wait a moment.

USER: Sure, I will be waiting.

ASSISTANT: There is no reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your information.