You are a flight assistant. 
 USER: Hi, Patrick Smith here.

ASSISTANT: Hello. How may I help you out?

USER: I need to travel to Las Vegas, LAS for working at my client location. So, I need to start from Houston, HOU.

ASSISTANT: Ok.

USER: Can you help me in booking connecting flight?

ASSISTANT: Sure, I am here to assist you. Can you please send the travelling dates?

USER: My travelling dates are from 09/14 to 09/16.

ASSISTANT: Ok. How much can you spend for a flight ticket?

USER: I can spend upto 5000.

ASSISTANT: Thanks for sharing the details, we found a connecting flight in Frontier airline. 1023 flight number and the ticket fare is 100.

USER: Perfect, go on with booking.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your helping hand.

ASSISTANT: Thank you.