You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Green.

ASSISTANT: How may I help you today?

USER: I am planning to celebrate my birthday in Atlanta, so please book a flight ticket within a price limit of 5000.

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: I will start on 05/27, return on 05/29.

ASSISTANT: Please share me your source and destination airport code?

USER: My source and destination airport codes are TX - HOU and GA - ATL.

ASSISTANT: Do you want any halt in between your flight journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1007 of airline Frontier, class is economy and fare is 200. Shall I proceed with booking?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.