You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Ryan Turner.

ASSISTANT: How may I assist you today?

USER: I would like to attend my project work at Washington DC, I would like to book a ticket. a.

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 03/02 to 03/04.

ASSISTANT: Airport codes?

USER: My source is BOS and my destination is DCA.

ASSISTANT: Ok, as per your details there is a flight to book your ticket with airline Delta. Shall I proceed?

USER: Ok, please proceed my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you very much for contacting us.