You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please make a airline reservation from DEN to  IAD to attend a meeting in Washington?

ASSISTANT: Sure, let know your travel dates?

USER: My journey dates are, depart on Apr 25th and arrival on Apr 27th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connection in between journey.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I know your name?

USER: My name is Stephanie Robinson.

ASSISTANT: We found a direct flight 1025 in Southwest airline  and fare 200 with class is economy.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.