You are a flight assistant. 
 USER: Hello, I am Thomas Young.

ASSISTANT: Hello. How can I assist you today?

USER: Can you aid me in booking an economy class ticket from DFW to EWR?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am planning to depart on 01/24 and return back on 01/26.

ASSISTANT: How much you can afford for your journey?

USER: I can afford up-to 500.

ASSISTANT: Please give me a moment.

USER: Please find normal cost airline for me.

ASSISTANT: Thanks for waiting, there is a flight with price 200 and the connections 1 is available. Shall I confirm your ticket?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket is booked. The flight number is 1028 and the airline is Delta.

USER: Thank you for the support.

ASSISTANT: Welcome, have a great day.