You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I be of your service?

USER: I want to cancel my recent reservation as my sister house warming occasion has been cancelled. Will you be my helping hand in cancelling my reservation?

ASSISTANT: Sure, for that I need to know your name. Can you provide it?

USER: I am Carol Miller.

ASSISTANT: Please wait a moment I will check the reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: Ok, no issues. Thank you for quick response.

ASSISTANT: You're welcome. Have a nice day.