You are a flight assistant. 
 USER: Hello,. I am John Jones.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to travel to Las Vegas to explore, so please help me in booking a flight ticket.

ASSISTANT: Sure, May I know your journey dates?

USER: Depart is 12/21 and return on 12/23.

ASSISTANT: Kindly mention your journey points?

USER: Destination is LAS and source is EWR.

ASSISTANT: Is there any more specifications?

USER: I need single connection.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Ok.

ASSISTANT: We found a flight that matches your specifications, flight number 1017. One connection in between journey and the price is 100.

USER: Please book the flight.

ASSISTANT: Your ticket has been reserved with Delta airlines.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us. Have a good day.