You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER:  I am Mathew Brown want to attend musical concert at  New York. Can you book me a ticket?

ASSISTANT: Sure.

USER:  My journey dates are 02/09 and 02/11.

ASSISTANT: Could please help me by providing your airport codes?

USER: I will fly from WA-SEA to NY-JFK.

ASSISTANT: Do you have any other specifications to be met?

USER: I need single connection with price 500.

ASSISTANT: Ok, please be on hold I will get back to you with the availability of the flights.

USER: Ok.

ASSISTANT: Thank you for being waiting. I found a flight that matches your specifications, flight_number:1008 with the fare of 300. Your airline is Southwest with the single connection. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Ok. Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us. Have a nice journey.