You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, we are happy to help you. May I know your good name?

USER: Thank you for considering my request. Myself Carol Robinson.

ASSISTANT: Sorry, there is no active reservation on your name in our data.

USER: Sure, I will wait for your response. That's ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your service.