You are a flight assistant. 
 USER: Hi, I am Kevin Martin.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket to Boston on 09/21 to attend robotic workshop and I intend to return on 09/23, can you help me to book a flight ticket?

ASSISTANT: Sure, I can help you. Do you need any halt in your journey?

USER: I prefer one connection in between my journey.

ASSISTANT: Can I know your preferable airport codes?

USER: I need to leave from Los Angels, CA-LAX to reach Boston, MA-BOS.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Spirit airline, flight number:1010 and the price is 100.

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your kind service.

ASSISTANT: Thank you.