You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER:  I am Katherine Wright. I need to book a flight ticket with single stop over, Can you help me for booking a plane ticket please?

ASSISTANT: Sure, we are glad to help you. Please provide your journey points?

USER: My source point is MA-BOS to DC-IAD.

ASSISTANT: How much you can afford for a ticket?

USER: Price limit with in 5000.

ASSISTANT: Please provide your dates of journey?

USER: I would like to travel on 01/11 to 01/13.

ASSISTANT: We found a connecting flight in UA airline has a fare 100. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your information.

ASSISTANT: Thank you for connecting us.