You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you best today?

USER: I would like to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, I can help you in cancellation. Please let me know your name to check your reservation and cancel it as per your request?

USER: Rebecca Lewis here.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, we did not find any active reservation on your name to cancel.

USER: That's ok, no problem. Thank you for helping me.

ASSISTANT: Thanks for reaching us, have a nice day.