You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to reserve a flight ticket from Charlotte to Los Angeles. Can you please help me to do that?

ASSISTANT: Sure, please share your planned travel dates?

USER: The planned travel dates are Sept 2nd and Sept 4th.

ASSISTANT: Let me know your connection limit?

USER: I would prefer to travel in a single stop-over flight.

ASSISTANT: Any other preferences?

USER: I am comfortable to catch my departing flight which is in the evening time and return flight in the morning time.

ASSISTANT: Can I have your name please?

USER: My name is Larry King.

ASSISTANT: Sorry, no flights found with your given details.

USER: It's ok, not a problem with that. Anyways thank you.

ASSISTANT: Thank you for reaching us.