You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I am here to help you with your concern.

USER: Thank you for accepting my bid request.

ASSISTANT: May I know your name please to check your reservation status?

USER: Sure, Robert Carter here.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Robert Carter, no reservation has been found on your name in our database.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.