You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can help you at this moment?

USER: Will you help me in booking the flight ticket from PHL to HOU?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable journey dates are Dec 13 and Dec 15.

ASSISTANT: May I know your name for further process?

USER: Myself Christine Johnson.

ASSISTANT: Do you have any another specifications?

USER: I need a flight with single connection.

ASSISTANT: Ok, please hold on a moment.

USER: Ok, I will wait.

ASSISTANT: AA flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1011.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: You are welcome Christine Johnson.