You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Dorothy Miller.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation due to cancel of my interview.

ASSISTANT: Ok. I will check the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time.Your name is not in the list to proceed with cancellation.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for opting us.