You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Scott Roberts. Can you please book me a flight ticket from SEA within price 500?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my journey dates are 01/25 and 01/27.

ASSISTANT: Please share me your source point.

USER: I will travel from SEA to BOS.

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

USER: Yes, I need a flag stop.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1025 and price is 100. Shall I proceed to booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.