You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Lewis.

ASSISTANT: How can I aid you today?

USER:  I want to book a flight ticket to attend Charlotte NC-CLT International Auto Show, they are exhibiting more than 400 vehicles from many branded companies. Could you please help me with booking a flight ticket from Los Angeles, CA-LAX?

ASSISTANT: Sure, I am here to help you. Where you are willing to travel?

USER: I have already mentioned.

ASSISTANT: Ok, could you please forward your travel dates?

USER: My travelling dates are 11/03 and 11/05.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: There are no flights found on your requested travelling dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us, have a great day.