You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Baker.

ASSISTANT: How may I aid you today?

USER: Can you cancel my recent reservation which I have done with my name?

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thanks.

ASSISTANT: Please wait a moment I will check the reservation list.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. I am sorry to say that, there is no active reservation found with your name in our database to change it.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for approaching us.