You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Owing to an emergency I had to request for this cancel reservation. Can you please cancel my reservation?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: Please allow me a moment to check for the previous reservation in our data base. To proceed further, please specify your name.

USER: Sure, I am Richard Jackson.

ASSISTANT: Thanks for your time, no reservation was found based on your good name.

USER: Ok. Thank you for providing information.

ASSISTANT: Thank you for picking us.