You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I tide over to you?

USER: I want to book a flight ticket to Denver to attend a robotic workshop, can you help me to book a connecting flight?

ASSISTANT: sure, may I know your planned dates of journey?

USER: Ok, I will start on 05/14 and I intend to return on 05/16.

ASSISTANT: Is there any fare limit?

USER: I can pay up to 5000.

ASSISTANT: Please provide your journey points.

USER: My boarding point is Las Vegas, NV-LAS and my destination is Denver, CO-DEN.

ASSISTANT: Ok, there is an Southwest airline available on your dates.

USER: Ok, can I know the flight details?

ASSISTANT: Flight number is 1018 and the amount to be paid is 200.

USER: Ok, that's fine. Please proceed with the booking.

ASSISTANT: Your reservation has been done.

USER: Thanks for being helping hand in my booking.

ASSISTANT: Thank you for choosing us.