You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Janet Collins. I met with an accident, so I can't take the flight. Can you please help me in cancelling my reservation?

ASSISTANT:  Sure Collins, wait a moment, I will cancel your reservation.

USER: Ok.

ASSISTANT: Collins there is no reservation found for you.

USER: Ok, thank you for your time.

ASSISTANT: Welcome, thank you for choosing us.