You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to meet my old friends at Charlotte CLT. Can you book me a flight ticket from Los Angeles LAX?

ASSISTANT: Sure, let me know your journey dates.

USER: I want to start my journey on Nov 13th and return on Nov 15th.

ASSISTANT: Ok, is there any connection preference?

USER: I prefer to travel in a connecting flight.

ASSISTANT: I will check all the available flight and revert back to you, meanwhile please share your name.

USER: Sure. I am Michael Smith.

ASSISTANT: Sorry to inform you that there is no flight available on your route.

USER: That's ok, thanks for your kind information.

ASSISTANT: Thank you for reaching us.