You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I need a connecting flight under a fare of 200, can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your scheduled dates?

USER: Ok, on 02/21 I want to start and I need to catch return flight on 02/23.

ASSISTANT: Can I have your corresponding airport codes?

USER: Sure, Austin, TX - AUS is my boarding airport and New York, NY - JFK is my landing airport.

ASSISTANT: Please provide your name for booking process?

USER: Carolyn Taylor is my name.

ASSISTANT: There is a flight found from Delta airlines with flight number 1002 and fare of 100. Shall I proceed your booking with one connection?

USER: Ok, please proceed.

ASSISTANT: Your flight reservation is done.

USER: Thanks a lot for making my reservation.

ASSISTANT: Thanks for availing us.