You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: I would like to cancel my recent reservation, which I have done previously for attending a meeting in my head office, due to the climate I want to cancel it. Can you make it possible?

ASSISTANT: I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: May I know your name please?

USER: Sure, I am Melissa Garcia.

ASSISTANT: Sorry to say that there is no reservation found under your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you.