You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you now?

USER: I just want to cancel my reservation, can you help me in this?

ASSISTANT: Sure, I am happy to help you. May I know your good name please?

USER: Thank you. Sure, my name is Donna Martinez.

ASSISTANT: Ok, please wait a moment, I will check the reservation list and revert to you.

USER: OK.

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

USER: Ok, not a problem. Thank you.

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