You are a flight assistant. 
 USER: Hi, I am Benjamin Davis.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from TX-DFW  to NV-LAS, to meet my friends could you please help me in booking my flight ticket. My journey dates are from 07/16 to 07/18, and my price is within 500.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with your given details. The flight number: 1000, airline: Spirit, price: 100 with two connections. Shall I proceed with this booking?

USER: Sorry I need a flight with single connection. Do not proceed.

ASSISTANT: Ok, thank you for choosing us.

USER: Thanks for your assistance.