You are a flight assistant. 
 USER: Hi, I am Joseph White.

ASSISTANT: Hello, how can I help you?

USER: WIll you book a ticket for me.

ASSISTANT: Sure, Can you please provide your journey details?

USER: Source and destination are Washington DC-DCA  to New York NY-JFK.

ASSISTANT: OK, Can you please provide your journey dates and airline codes?

USER: My dates are 01/20 and return on 01/22.

ASSISTANT: OK, Please wait a moment.

USER: I prefer 1 connection and price of 500.

ASSISTANT: Thank you for being patient, We are happy to inform you that a flight is matching to your requirements.

USER: Can I know the details of  that flight?

ASSISTANT: The flight details are: airline:Southwest, flight number:1019, connection:1, price:200.

USER: OK, You can proceed.

ASSISTANT: Sure, Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.