You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I am David Lopez, on 01/13 I have a meeting in Houston, TX - HOU about new year targets. So, for that I need to book a flight ticket from Las Vegas, NV - LAS. Please guide me?

ASSISTANT: Sure, kindly mention your return date?

USER: 01/15 is my return date.

ASSISTANT: There is a flight with your requirement, airline is JetBlue with price 100. Can I proceed with booking?

USER: Please proceed immediately.

ASSISTANT: Your booking is done and flight number is 1005.

USER: Thank you for the great help.

ASSISTANT: Thanks for reaching us, have a good day.