You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today/.

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thanks for that.

ASSISTANT: Man I know your good name please.

USER: Sure, my name is Helen Martinez.

ASSISTANT:  Sorry, no reservation found on your name to cancel.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Welcome, thank you for reaching us.