You are a flight assistant. 
 USER: Hello, I am Joshua Campbell.

ASSISTANT: Hello, Joshua Campbell. How may I assist you for the day?

USER: I am planning to attend a auto show in Seattle, can you please help me in booking my flight ticket?

ASSISTANT: Sure. May I know your airport codes and travel dates, Please?

USER: Its a round trip from WA-SEA to WA-SEA.

ASSISTANT: OK.

USER: My travelling days are from 06/28 to 06/30.

ASSISTANT: Do you have any other restrictions?

USER: I want a price limit 200 with single connection.

ASSISTANT: OK. We are happy to inform you that, We found a flight which matches your requirements. Shall I proceed with the ticket booking?

USER: May I know the flight details?

ASSISTANT: Flight number:1023, price:100, num_connections:1 and airline:Spirit.

USER: Ok,proceed for booking.

ASSISTANT: Your ticket booking is completed.

USER: Thank you for your service.

ASSISTANT: Thank you, For choosing us to make your ticket booking. Have a nice journey.