You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you want me to assist you?

USER: I am Matthew Hernandez. I want to participate in sports festival at Charlotte, NC-CLT.

ASSISTANT: Ok.

USER: Could you please help me with booking a flight ticket from Los Vegas, CA-LAX?

ASSISTANT: Sure, can you aid me with your departure and arrival dates?

USER: Sure, 04/16 is my departure and 04/18 is my arrival date.

ASSISTANT: Do you need any halt in between?

USER: Yes, I need a single stop over in between the journey.

ASSISTANT: Sorry, to inform you that, there is no flights available on your scheduled dates.

USER: No issues, I will find another way to reach my destination.

ASSISTANT: Thanks for availing our service.

USER: Thank you for the information.