You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I be at your service?

USER: Please book a ticket from Washington DC-DCA to Denver, CO-DEN. I am Sharon Young.

ASSISTANT: Sure, when would you like me to book your ticket?

USER: Departure date is 10/31 and 11/02 is return date.

ASSISTANT: Do you have any other specifications?

USER: Ticket price limit is 5000. Flight connections limit is 1.

ASSISTANT: Thank you for sharing your details, there is a flight available with single connection at a price 100 in flight number 1017.

USER: Please book a flight.

ASSISTANT: Your seat is reserved in JetBule airline.

USER: Thanks.

ASSISTANT: Thank you for reaching us.