You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Angela Johnson. I need to book a ticket with fare of 500 to Chicago ORD. Could you please help me in doing that?

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

USER: My travelling dates are 08/10 and return on 08/12.

ASSISTANT: May I know your source point?

USER: My source point is Washington DC-DCA.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Southwest, flight number: 1028 and price is 100.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.