You are a flight assistant. 
 USER: Hello.

ASSISTANT: Please let me know, what kind of service your looking for?

USER: I want to cancel my reservation as my plan to attend a meeting with client is cancelled. Can you help me with that?

ASSISTANT: Sure, please share me your good name.

USER: My name is Elizabeth Lopez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.