You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket to attend meeting in JFK, so I need to go from LAS. can you aid me?

ASSISTANT: Please provide your trip dates.

USER: Sure, depart on Jan 16th and return is on Jan 18th.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need one connection between my journey.

ASSISTANT: Can I know your preferable timings?

USER: I am comfortable with normal-cost airline.

ASSISTANT: May I know your name for reservation?

USER: Betty Lopez here.

ASSISTANT: There are no flights available on your routes.

USER: Not an issue, Thank you for your service.

ASSISTANT: Thank you for choosing us.