You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please book a flight ticket from DEN to MCO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are Sept 02 and Sept 04.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a connecting flight.

ASSISTANT: May I know your name for the booking?

USER: My name is Larry King.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Welcome, thank you for reaching us.