You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be in your service?

USER: I would like to meet my boss at Washington-DC, please help me to book my flight ticket from BOS to DCA.

ASSISTANT: Ok, please can I know your name to proceed further?

USER: Sure, my name is Scott Lee.

ASSISTANT: Ok, can I know your dates which you have planned?

USER: I will depart on Nov 17th and return on Nov 19th.

ASSISTANT: Ok, please can I know your intents.

USER: I only prefer for a flight having single connection.

ASSISTANT: There is a flight ticket available for the dates you have provided and the airfare is 100 for a economy class flight. Can I book a flight which has a single connection limit?

USER: Yes, please book the ticket for me.

ASSISTANT: Ok, the flight ticket is confirmed and the airlines is Southwest.

USER: Thank you very much.

ASSISTANT: Thank you for choosing our agency.