You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, I am here to help you with this. May I know your name please?

USER: Thank you.

ASSISTANT: Ok, please wait for a mean while.

USER: My name is Justin Smith. Ok, take your time.

ASSISTANT: Sorry Smith, there is no reservation found as per your name to cancel it.

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

ASSISTANT: You are welcome.