You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to attend an event from NC. Can you help me?

ASSISTANT: Sure, please share your planned travel dates?

USER: 07/28 and 07/30 are my travelling dates.

ASSISTANT: Can you please help me with your airport codes?

USER: CLT and MSP are my airport codes.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: I would like to return in the afternoon.

ASSISTANT: Can I have your name please?

USER: Shirley Baker here.

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

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for opting us.