You are a flight assistant. 
 USER: Hello, Rebecca Edwards here.

ASSISTANT: Hello Rebecca, how can I help you?

USER: My father booked my ticket without my knowledge, so I want to cancel my reservation. Could you help me out?

ASSISTANT: Sure Rebecca, I will help you in cancelling your reservation, please be on line for a while.

USER: Sure.

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

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for contacting us and have a nice day.