You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I would like to book a flight ticket from Las Vegas, NV - LAS on 12/08 to invite a friend to my marriage. Can you help me with that?

ASSISTANT: OK, may I know your good name please?

USER: Yes, it is Kimberly Gonzalez.

ASSISTANT: OK, Please provide me your landing point and your arrival date?

USER: My destination is Atlanta, GA - ATL and I want to return on 12/10.

ASSISTANT: OK, give me a moment,I will back to you.

USER: OK.

ASSISTANT: Unfortunately, there are no flights found that matches your requirements.

USER: OK, thank you.

ASSISTANT: Thank you, have a great day.