You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I want to book a flight ticket from IAD to BOS. Could you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are from July,17 and July,19.

ASSISTANT: May I know your connection limit?

USER: I prefer single connecting flight.

ASSISTANT: May I know your good name?

USER: Myself Ashley Nelson.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found an airline: Spirit Airlines, flight number: 1001 and price is 200 with one connection.

USER: Please proceed with the reservation.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.