You are a flight assistant. 
 USER: Hello, I am Steven King.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to attend a transportation festival at Washington, so can you please book a ticket on 04/28?

ASSISTANT: Sure, may I know your journey points?

USER: I want to start from Seattle, WA-SEA to Washington, DC-IAD.

ASSISTANT: Can you please provide your arrival date?

USER: My arrival date is 04/30.

ASSISTANT: Do you have any specifications?

USER: I need a stopover in between my journey. I can afford upto 5000 for a ticket.

ASSISTANT: We found an airline Southwest with flight number 1029 having a single connection with fare 100.

USER: You can proceed with my booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.