You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Green.

ASSISTANT: How can I aid you?

USER: I would like to meet my friends at Boston for enjoying holiday trips, can you help me to book a round trip flight ticket?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: I am travelling from Feb 15 to Feb 17.

ASSISTANT: Please provide me the airport codes.

USER: My airport code is BOS.

ASSISTANT: Do you have any specifications?

USER: Yes, I can afford 200 only for my flight ticket. I need a halt in between my journey.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100 as per your request. Shall I proceed in booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed for the flight 1021 in Southwest airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.