You are a flight assistant. 
 USER: Hi. I am James Martinez.

ASSISTANT: Hello, how can I best aid you now?

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

ASSISTANT: Sure, I can help you in that cancellation.

USER:    Thank you.

ASSISTANT: Please wait for couple of minutes.

USER: Ok.

ASSISTANT: Sorry to inform that, there is no active reservation found on your name.

USER: That's ok. Thank you for the response.

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