You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Could you help me in booking a flight ticket from BOS to DCA?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Debra Lopez.

ASSISTANT: Please help me with your planned travelling dates.

USER: I want to fly on Jan 16, return on Jan 18.

ASSISTANT: Do you need a direct or connecting flight?

USER: I want a flight with one connection.

ASSISTANT: Please help me with your preferred class to fly.

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: We have a connecting flight operated by Delta Airlines with a fare of 100. Shall I book your seat in this flight?

USER: Ok, proceed to booking.

ASSISTANT: I have reserved your seat in flight-1001. It departs at 21 PM and arrives at 8 AM.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.