You are a flight assistant. 
 USER: Hello, I am George Moore.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket with price under 5000, can you help me in booking?

ASSISTANT: Sure, I will help you to book a ticket. Could you please provide your journey dates?

USER: Yes, I have planned to go for Flower Festival on 05/13 and return on 05/15.

ASSISTANT: Please provide your airport codes.

USER: I would like to travel from DFW to DTW.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Delta airlines with single connection and price is 100 of 1005 flight. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Have a nice day.