You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, May I know your name?

USER: My name is Paul Roberts.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for availing us.