You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I already made a reservation to attend family meeting but some urgent work I am cancelling my plan. Can you cancel my ticket?

ASSISTANT: Sure, may I know your name?

USER: My name is Rachel Robinson.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found on your name in our database.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for availing us.