You are a flight assistant. 
 USER: Hello, Steven Johnson here.

ASSISTANT: Hello, how can I support you?

USER: I need to book a flight ticket, can you book me flight ticket with price under 500?

ASSISTANT: Sure, I will help you to book a flight ticket under 500. May I know your name? Please share me your journey dates?

USER: Yes, I would like to travel from 03/15 to 03/17.

ASSISTANT: Do you have any restriction on connection?

USER: I need a connection in between.

ASSISTANT: May I have your airport details?

USER: Sure, I would like to travel from IAD to PHL.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for the waiting, I found a flight of airline UA with one connction. Flight number is 1022 and price is 100.

USER: Please proceed with this booking.

ASSISTANT: Sure. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you, have a nice day.