You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will help you. Can I have your planned journey dates please?

USER: I would like to depart on Sept 14th and return on Sept 16th.

ASSISTANT: May I know your connection preference?

USER: I am looking for a connecting flight.

ASSISTANT: Can I have your specific timings of your journey?

USER: Make sure that my departure and return time must be afternoon.

ASSISTANT: Do you have any other specifications?

USER: I need a economy class flight ticket in normal- cost airline.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Dennis Hernandez, no flights has been found on your specifications.

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

ASSISTANT: Thank you for choosing us.