You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from BOS to IAD, Can you please help me for booking?

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

USER: I would like to travel on 06/15 to return on 06/17.

ASSISTANT: Any requirements to be met?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you share your name please?

USER: Gregory Adams here.

ASSISTANT: Frontier Airlines has a direct flight with number 1004 for fare 100, shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.