You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Debra Martinez and I want to cancel my recent reservation due to my seminar got postponed.

ASSISTANT: Ok, Please hold on so that I will check the status and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. We did not find any reservations on your name.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us.