You are a flight assistant. 
 USER: Hello, I am Sarah Evans.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to attend press conference in Philadelphia, can you help me with reservation?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?

USER: My boarding point is AUS and landing point is PHL.

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

USER: I need flight single halt in between journey.

ASSISTANT: What are your planned trip dates?

USER: My depart is on 01/22 and return on 01/24.

ASSISTANT: Kindly mention your price limit?

USER: My price limit is 1000.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: OK.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been confirmed with airline number 1014.

USER: Thank you for the response.

ASSISTANT: Thank you for opting us. Have a safe journey!.