You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you for the day?

USER: Please book a ticket from Las Vegas, NV-LAS to Minneapolis & St. Paul, MN-MSP for science festival.

ASSISTANT: Sure, I am here to help you. When you have planned to travel?

USER: Travel dates are from 09/13 to 09/15.

ASSISTANT: Do you need any other specifications?

USER: Price limit 500. Connections limit 1.

ASSISTANT: Ok, please share your name for further process.

USER: My name is Gregory Johnson.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with a halt in 1009 JetBlue airline and the fare is 300. Can I move forward for booking?

USER: Please book a ticket.

ASSISTANT: Your request for reservation has been processed. Please be at the airport 3 hours before your flight departs.

USER: Thanks.

ASSISTANT: Thank you for picking us.