You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: On which name your previous flight ticket has been reserved?

USER: I am Karen Garcia.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Sure.

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

USER: No problem, thank you for your assistance.

ASSISTANT: Thanks for approaching us.