You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I am Steven Hill. Please book a ticket from Washington DC-DCA to Chicago IL-ORD.

ASSISTANT: Sure, let me know your travel dates please?

USER: Travel dates are from 04/07 to 04/09.

ASSISTANT: Is there any restriction on fare?

USER: Price limit is 1000.

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

USER: Please provide a halt.

ASSISTANT: Ok, wait for a while. I will revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight from an AA airline of fare 900 and flight number 1006. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thanks for reaching us.

USER: Have a great day!.