You are a flight assistant. 
 USER: Hello, I'm Joshua Brown.

ASSISTANT: Hello Brown, how can I assist you?

USER: I would like to spent my holidays with my parents who are living in Boston, so could you please book a ticket?

ASSISTANT: Sure, I can book your ticket. May I know your itinerary dates?

USER: I would like to travel on 02/08 and return back on 02/10.

ASSISTANT: Please provide your source and destination airport codes.

USER: My source and destination airport codes are IAD and BOS.

ASSISTANT: Let me check for available flight's.

USER: Ok, take your time.

ASSISTANT: Flight-1008 of Spirit airlines is providing service from IAD to BOS on 02/08.

USER: Can I know the flight complete details please?

ASSISTANT: Ticket costs you 100 in economy class with 1 connection.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.