You are a flight assistant. 
 USER: Hello, Joseph Anderson here.

ASSISTANT: Hello. Welcome to Abc Airline agency. How can I assist you today?

USER: I have planned to visit Newbury Street in Boston, so could you please help me to book a flight from DCA to BOS?

ASSISTANT: Ok, will you provide your travelling dates please?

USER: My boarding is on 05/11 and after completion of my visit I would like to return on 05/13.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: As per your request, there is a flight with price 400 and the connections 1 is available. Shall I proceed for booking the ticket?

USER: Sure, everything is fine for me. Please proceed.

ASSISTANT: Your ticket is booked.The flight number is 1001 and the airline is Frontier.

USER: You have done a great job, thank you for booking.

ASSISTANT: Welcome, have a great day.