You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to cancel my reservation as my project submission got delayed. Can you help me with it?

ASSISTANT: Sure, we are happy to help you with cancellation. May I know your name?

USER: Nicholas Taylor is my name.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: That's ok, thank you for your response.

ASSISTANT: Thank you for choosing us.