You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: I want the flight ticket to WA-SEA, can you please help me for booking the flight ticket?

ASSISTANT: Sure, what dates would you like to have your journey?

USER: The planned dates are in the month of September, the travelling dates are 09/19 to 09/21.

ASSISTANT: Ok, may I know your source code?

USER: The source code is from TX-DFW.

ASSISTANT: Ok, I found a flight with 1 connection and price is 100. Is it ok for you?

USER: Yes, proceed with my booking on the name of George Miller.

ASSISTANT: Ok, your booking is confirmed with Frontier airline and your flight number is 1021.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a safe journey.