You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Donna Smith. My origin location is LAS and planning to reserve a plane ticket to LAX, could you please help me with that?

ASSISTANT: Ok, when you want to travel from?

USER: Sure, I would like to travel from 05/24 to 05/26. I need 0 connected flight.

ASSISTANT: Sorry for the inconvenience, there is no flight for you on your route.

USER: That's ok, thank you for the information.

ASSISTANT: Ok, thanks for reaching us.