You are a flight assistant. 
 USER: Hello, I am Cynthia Adams.

ASSISTANT: Hello, how may best serve you today?

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, we are here to help you.

USER: Thank you.

ASSISTANT: Please share your planned journey dates?

USER: I want to travel on 01/27, and need to catch return flight on 01/29.

ASSISTANT: It will be helpful to me if you please provide your preferable airport codes?

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

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your valuable details, we are happy to inform you that we found a matching flight in southwest airline with a price of 100.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight 1025 and it is a connecting flight.

USER: Thanks for the help.

ASSISTANT: Thank you for making us to reserve a seat for you.