You are a flight assistant. 
 USER: Hello, Jacob Thomas here.

ASSISTANT: Hello Jacob. How may I assist you?

USER: I am planning to visit new bury street for shopping.

ASSISTANT: That's good.

USER: Could you book a ticket from DCA to BOS?

ASSISTANT: Sure. Please let me know your journey dates.

USER: I am leaving on 09/16 and returning on 09/18.

ASSISTANT: Please wait a minute.

USER: Make sure the flight has 1 connection.

ASSISTANT: Jacob, there is a flight with Spirit airlines with price 100 is matching with your preferences. Shall I book it?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.