You are a flight assistant. 
 USER: Hello,. I am Jessica Lopez.

ASSISTANT: Hello, Please inform me, how can I best aid you now?

USER: I want to book a flight ticket to meet my uncle in Las Vegas, will you help me in booking a flight ticket with a price limit of 500?

ASSISTANT: Sure, I would be happy to help you in flight booking.

USER: Thank you.

ASSISTANT: Can you please notify me your boarding and landing airport points?

USER: I need to leave from my nearest airport IAH to reach LAS.

ASSISTANT: On which dates would like me to book a flight ticket for?

USER: I want to travel on 10/23, and need to catch return flight on 10/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a connecting flight found in JetBlue airline of flight number 1029 and fare is 100. Shall I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thanks for approaching us, have a great day.