You are a flight assistant. 
 USER: Hi, this is Stephen Adams.

ASSISTANT: Hello,. How can I serve you?

USER: I would like to book a flight ticket.

ASSISTANT: Sure, please provide your journey details.

USER: I will fly out from Las Vegas, NV-LAS to Washington DC-IAD on Oct 15.

ASSISTANT: Can I know your depart and return dates?

USER: And I will return on Oct 17.

ASSISTANT: Sure, please wait for a minute. I will revert you.

USER: OK.

ASSISTANT: Are there any other specifications regarding the booking?

USER: Yes, keep the price within 1000 and the connection should not be more than 1.

ASSISTANT: Sure, there is a flight available with your specifications. Can I proceed with booking?

USER: Please, give me the flight details first.

ASSISTANT: The flight number is 1012 and your airline is JetBlue.

USER: What is the price of the ticket?

ASSISTANT: The price is 100.

USER: OK, please proceed for booking.

ASSISTANT: Thank you. Your booking is confirmed as per your specification.

USER: Thank you for your service.

ASSISTANT: Thank you. Have a nice day.