You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to meet my colleague in Boston, so please book a flight ticket from DCA to BOS.

ASSISTANT: Sure, please share your journey dates?

USER: I will start on Nov 13, return on Nov 15.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Rachel Moore.

ASSISTANT: We found a flight in Southwest airlines, flight number is 1028 with single connection and price is 100 economy class. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.