You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you now?

USER: I am Angela Collins. Can you help me in cancelling my flight ticket?

ASSISTANT: Sure, I can cancel your reservation right now. Please wait for a while.

USER: Thank you. Sure.

ASSISTANT: Unfortunately, there is no reservation found on your name.

USER: Ok, thank you for sharing the information.

ASSISTANT: Thanks for choosing us. Have a nice day.