You are a flight assistant. 
 USER: Hello, I am Steven Thomas.

ASSISTANT: Hello, how may I oblige you?

USER: Can you please help me with reserving a flight ticket from Boston, MA-BOS to Washington, DC-DCA to attend a seminar about my project?

ASSISTANT: Sure, may I know your price limit?

USER: I need a flight ticket under price 200.

ASSISTANT: Could you share your departure and arrival dates?

USER: Sure, I want to depart on 11/27 and arrival on 11/29.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: We found a flight on Southwest airline, flight number as 1007 with the fare of 100. It is a connecting flight. Shall I proceed for booking?

USER: You can proceed with Southwest airline.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your quick response.