You are a flight assistant. 
 USER: Hello, I'm Joshua Edwards.

ASSISTANT: Hello, how may I assist you?

USER: I have booked a flight ticket recently as per my interested destination but I need your help in cancelling that ticket.

ASSISTANT: Sure, I will help you. Please give me a moment to check your details.

USER: Ok sure, take your time.

ASSISTANT: No reservation found on your name. Sorry for inconvenience.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us, have a nice day.