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

ASSISTANT: Hello, how can I best serve you now?

USER: I am planning to start a new relation at Philadelphia, help me in booking my flight ticket from Houston TX-IAH to PA-PHL.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates will be 09/22 to 09/24.

ASSISTANT: Do you need any lay by in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Sure, is there any restriction on fare?

USER: I can spend up to 500 in booking my flight ticket.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight found with Southwest airline of flight number 1014 and fare is 100. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us, wish you a great journey.