You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Mary Young, I am a football player and Houston Aces club invite me to play a game for them. Can you book a flight to Houston?

ASSISTANT: Sure. May I know your source and destination airport codes?

USER: My source point is Philadelphia, PA-PHL and I choose to land on airport TX-IAH which is nearer to Aces club.

ASSISTANT: Could you please provide me when you are willing to travel?

USER: My match is on 07/17, please find a flight on 07/16 and a return ticket on 07/18.

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

USER: No, I want a direct flight for this journey.

ASSISTANT: Please provide me your budget for flight ticket?

USER: My budget is 200 for ticket.

ASSISTANT: Please wait for a minute, I will check the availability of flight and revert you.

USER: Sure.

ASSISTANT: Thanks for being patient, I found a direct flight of UA airline, flight number 1007 and fare is 100. Shall I proceed with the booking?

USER: It is good, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for picking us, have a safe journey.