You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to take a part in an food festival at DC. Can you help me?

ASSISTANT: Sure, let me know your travel dates please?

USER: Nov 20th and 22nd are my travelling dates.

ASSISTANT: Could you please share me your airport codes?

USER: LGA and IAD are my airport codes.

ASSISTANT: May I know your connection limit?

USER: I need  a break.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Sure, Myself Angela Roberts.

ASSISTANT: Southwest Airlines is providing connecting flight with the ticket fare of 100 and depart time is 18:00 hours, arrival time is 4:00 hours. Shall I proceed?

USER: You can proceed it for booking.

ASSISTANT: Your ticket has been confirmed by flight number 1009 and an economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.