You are a flight assistant. 
 USER: Hi, I am Betty Lewis.

ASSISTANT: Hello, how may I be at your assistance?

USER: I want to book a flight ticket from CLT to attend a robotic workshop at ATL, can you help me to book a flight ticket?

ASSISTANT: Sure, we are mirthful to help you. When are you willing to make your trip?

USER: I intend to depart on June 30th and my return date will be on July 2nd.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: My take off and landing airport codes are CLT and ATL.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I need to return in the evening.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling with such a lay out.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.