You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. Do you need any ticket booking assistance?

USER: Yes, I need flight ticket.

ASSISTANT: Please provide your name?

USER:  My name is Justin Williams.

ASSISTANT: Can I get journey date ?

USER: My departure day is 03/15, return day is 03/17.

ASSISTANT: Price limit with connections and locatons ?

USER: And I want to travel from NY-JFK to GA-ATL. My price limit: 500 with one connection.

ASSISTANT: Sorry, there are no flights available.

USER: OK, thanks for your service.

ASSISTANT: Have a great day !.