You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me to book a flight to travel from LAX to MCO?

ASSISTANT: Sure, can you mention your trip dates?

USER: I will depart on Sept 8th and will return back on Sept 10th.

ASSISTANT: Would you prefer normal cost airline or low cost airline?

USER: I want to travel in any of normal-cost airlines.

ASSISTANT: Ok, do you need a pause in your journey?

USER: I am fine with maximum one connecting flight.

ASSISTANT: Any other requirements you have for your journey?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Sure, Karen Smith here.

ASSISTANT: Sorry, no flights are running on your planned travel dates.

USER: Oh, I may need to find an alternative to travel. Thank you.

ASSISTANT: Thank you for reaching us.