You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my reservation due to some personal work at home, will you help me in this?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: May I have your name please?

USER: Sure, I am Pamela Martinez.

ASSISTANT: Please wait, I will check the status of your reservation and revert to you.

USER: Ok, I will wait.

ASSISTANT: Thanks for your precious time, no existing reservation was found on the name of Pamela Martinez in the database.

USER: That's Ok, thanks for your support.

ASSISTANT: Thank you for choosing us.