You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

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

USER: I would like to depart on July 9th and return on July 11th.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Can you please share your depart time and return time?

USER: Make sure that my return time must be evening.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Sorry, there are no flights found with your given details.

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

ASSISTANT: Thank you for opting us.