You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from CLT to ORD?

ASSISTANT: Please provide your trip dates dates.

USER: I would like to depart on Feb 3rd and return on Feb 5th.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Make sure that my depart time must be morning.

ASSISTANT: May I know your name?

USER: I am Ryan Anderson.

ASSISTANT: Sorry, there are no flights available on your routes.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.