You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello! tell me how can I help you?

USER: My name is Robert Collins and i want to book a ticket for my vacation.

ASSISTANT: OK,can you please tell me your travel dates and journey codes?

USER: My dates are 12/15 and 12/17. I want to travel from DFW to EWR.

ASSISTANT: Can you please tell me your connection limit and price of your ticket?

USER: There should be with 1 connection and the price should not exceed more than 5000.

ASSISTANT: OK,as per your requirements there is a flight available for you with flight num:1017,price is 100.May I proceed to book your ticket?

USER: Yes,please proceed the booking.

ASSISTANT: OK,your ticket has been booked. Thank you.

USER: Thank you.