You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: I'm Eric Hernandez. I would like to go for a sports festival at Houston, TX - HOU. Can you please book a ticket with a price range of 500?

ASSISTANT: Sure, please share me the journey date?

USER: I need to depart on 11/12 and return on 11/14.

ASSISTANT: May I know from which city would you like to fly?

USER: I want to fly from PHL.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a stopover.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of airline UA, flight number is 1004 and fare is 200.

USER: Please reserve this on my name.

ASSISTANT: Sure. Your flight ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for visiting us, have a nice day ahead.