You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Betty Harris. I would like to cancel an recent reservation.

ASSISTANT: Sure, I am here to help you. I will check your reservation status and let you know.

USER: Sure.

ASSISTANT: Sorry, I have not found any reservation under your name in our database.

USER: No problem, Thank you for the information.

ASSISTANT: You are welcome and thank you for contacting us.