You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend a Seminar in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Please tell em your travelling dates?

USER: My travelling dates are Dec 21 and Dec 23.

ASSISTANT: Let me know your travelling airport codes?

USER: My airport codes are LGA and DCA.

ASSISTANT: Tell me your connection limit please?

USER: I prefer single connecting flight.

ASSISTANT: Do you have any other preference?

USER: I want to depart in evening and return in morning.

ASSISTANT: Can I know your name please?

USER: My name is Brandon Davis.

ASSISTANT: Here is a connecting flight with fare 200 and 1009 as flight number in United Airline and the depart flight is at morning time. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.