You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your scheduled journey dates?

USER: Departure date is 08/23 and 08/25 is return.

ASSISTANT: May I know your name?

USER: My name is Gary Lopez.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We have found a connecting flight of Delta airline, flight number-1026 and fare 100. Shall I proceed to book?

USER: Please book a flight.

ASSISTANT: Your booking has been processed.

USER: Thanks.

ASSISTANT: Thank you for approaching us.