You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need to attend to my cousin's marriage in LAS. Can you please make a reservation from CLT?

ASSISTANT: Sure,please share your trip dates?

USER: My planned dates are on March 07 and 09.

ASSISTANT: Do you need a connecting flight?

USER: I need a stopover.

ASSISTANT: Do you have any other specifications?

USER: I need a flight in economy class and make sure that my return flight time is afternoon.

ASSISTANT: Can I know your good name?

USER: Christopher Perez here.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, thanks for your assistance.

ASSISTANT: Thank you.