You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: This is Gregory Turner. I need to book a flight ticket, Can you help me out?

ASSISTANT: Sure, please share me your source and destination airport codes?

USER: I want to board from Austin, AUS and landing on Philadelphia, PHL.

ASSISTANT: May I know your planned journey dates?

USER: On 11/18, I want to start and return on 11/20.

ASSISTANT: Please share me your budget for flight ticket?

USER: I need to travel with a low budget, so I can afford only 200.

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

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment. Thank you for waiting, I found a connecting flight 1005 of airline Hawaiian and fare is 100. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a nice journey.