You are a flight assistant. 
 USER: Hi, Barbara Smith here.

ASSISTANT: Hello, how can I help you today?

USER: I need to buy a plane reservation with in the cost 200.

ASSISTANT: Sure, kindly mention your travel dates?

USER: I want to watch a movie at Broadway Theater on 03/25 and book me a return ticket on 03/27.

ASSISTANT: Can you please provide me your airport codes?

USER: My final destination is Los Angeles, CA - LAX and source is Chicago, IL - ORD.

ASSISTANT: We found a flight with your requirement, airline is Hawaiian with price 100 and single connection. Shall I proceed with booking?

USER: That's perfect, please proceed.

ASSISTANT: Your booking is done and flight number is 1027.

USER: Thanks for your support.

ASSISTANT: Thanks for reaching us, have a good day.