You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking to book a flight ticket from BOS to DCA. Can you help me for that?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are Sep 12 and Sep 14.

ASSISTANT: Ok, please share me your name.

USER: My name is Michelle Young.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: Here, I found a flight for you with single connection and class is economy.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1010 and airline is Southwest.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.