You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please check the availability of flights in between the points Seattle and Chicago?

ASSISTANT: Sure. For that I need to know your exact airport attributes, can you provide it?

USER: Sure, my source code is WA - SEA and destination code is IL - ORD.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Can I know your planned travelling dates to proceed further?

USER: Ok, my travelling dates are on 05/07 to 05/09.

ASSISTANT: What price would you like to put on flight ticket?

USER: Please make sure that the price should be 200.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found an UA airline matching your essential details with single connection and the flight number-1020. Shall I book the ticket?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed and the fare of the ticket is 100.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Sandra Moore.

ASSISTANT: Thank you for reaching us.