You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket from CA to attend a robotic workshop in NC, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, when are you planning to travel?

USER: Sure, I need to depart on 10/20 and my return date will be on 10/22.

ASSISTANT: Is there any airline preference?

USER: I don't have any airline preference.

ASSISTANT: Please forward your source airport code.

USER: LAX and CLT are my exact airport code.

ASSISTANT: Would you like to travel at your favourable timings?

USER: No more specifications for this trip, please proceed with the above details.

ASSISTANT: Can you mention your name to proceed further?

USER: I am Jessica Carter.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for contacting us and have a nice day.