You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I book a reservation for my holiday vacation,now I am changing my vacation location. So I want to cancel my reservation. Can you help me to cancel the ticket?

ASSISTANT: Sure, may I know your name?

USER: My name is Lisa Scott.

ASSISTANT: Sorry, there is no reservations found on your name.

USER: Thanks for the information.

ASSISTANT: Thank you.