You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from LAS to MCO?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: My travel dates are Jan 04 and 06.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: May I know your name to proceed further?

USER: My name is Anthony Johnson.

ASSISTANT: Do you have any other preference?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, we don't have any flight available which meets your journey criteria.

USER: That's ok, thanks for the information.

ASSISTANT: Thank you.