You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I am James Baker.

ASSISTANT: Nice to meet you James.

USER: I want to cancel my resent reservation because I didn't like the delta airlines.Can you help me out to cancel my reservation?

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: That's great, take your own time.

ASSISTANT: There is no reservation found on your name in our data base to cancel.

USER: That's really sad.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help.