You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: George Evans here. Please help me out in cancelling my recent reserved ticket.

ASSISTANT: Sure, let me check the reservation list and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found by the name you provided.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.