You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you today?

USER: Please book a ticket from Houston, TX-IAH to Washington DC-DCA, for holiday vacation.

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

USER: My departure date is 08/12 and return date will be 08/14.

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

USER: Connections limit is 1.

ASSISTANT: Your good name please.

USER: I am Thomas Smith.

ASSISTANT: We are glad to say that, we found an airline: Hawaiian, flight number: 1000 with a single connection and price is 200.

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for booking ticket.

ASSISTANT: Thank you for opting us.