You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Hernandez.

ASSISTANT: George Hernandez, how can I render you today?

USER: I need to reach DFW to participate in NBA tournament. Can you book me a ticket from SEA?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I would start on Aug 12th and return on Aug 14th.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with American Airlines and it costs you 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thanks for your support.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.