You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Elizabeth Nelson. I am a Formula one racer, I would like to participate in Hidden Valley and Primm Extreme RZR Ride going to be held at Las Vegas. Can you please book a ticket to LAS?

ASSISTANT: Sure. Do you have any specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Could you please share your boarding airport code?

USER: Origin code is Charlotte, CLT is my nearest airport code.

ASSISTANT: Help me with your journey dates to proceed further.

USER: Journey dates are 04/28 to 04/30.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there is no connecting flight available with your requirements.

USER: No issues. Thank you.

ASSISTANT: Thank you for contacting us.