You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: My name is Gary Allen. I need a ticket from Washington DC-DCA to Chicago, IL-ORD, for an auto show.

ASSISTANT: Sure, when are you planning to travel?

USER: 07/14 to 07/16 are my travel dates.

ASSISTANT: Please provide your specifications.

USER: Ticket price limit is 500. Flight connections limit is 1.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1024 flight. Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for ticket confirmation.

ASSISTANT: Thank you for choosing us.