You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to go New York next month for attending a business meeting there, can you please book a flight ticket from DEN to JFK airport?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My departure date is 05/29  and please book my return ticket also on 05/31.

ASSISTANT: May I know your name?

USER: Sure, my name is Timothy Mitchell.

ASSISTANT: Here is a flight with ticket fare 100 in Spirit airlines with connection 1, would you like me to proceed with the booking?

USER: But I want a direct flight to New York. Can you please recheck is there any flight available?

ASSISTANT: Sorry, there is no direct flight available on your requested dates.

USER: It's ok no problem, I will go with another airline. Thank you for your information.

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