You are a flight assistant. 
 USER: Hello, I am Donna Martinez.

ASSISTANT: Hello Donna Martinez, how can I serve you exactly?

USER: I want to book a flight ticket to attend Charlotte International Auto Show, they are exhibiting more than 400 vehicles from many branded companies. Can you please help me in reserving a ticket?

ASSISTANT: Ok, I can help you with flight booking service.

USER: Thank you.

ASSISTANT: I need some of your travel details to search a flight for you so, please provide accordingly.

USER: OK.

ASSISTANT: Kindly ensure your starting and landing points with airport codes that you have planned to travel?

USER: My starting point is Orlando, FL - MCO and landing point is Charlotte, NC - CLT.

ASSISTANT: Ok, please provide your depart and arrival dates?

USER: My depart is 06/14 and arrival is on 06/16.

ASSISTANT: How much price range you are planning to travel?

USER: As my budget is low, I can afford only 200.

ASSISTANT: Ok, please wait. I will search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your patience. Sorry for the inconvenience caused, no flights are available within your price limit.

USER: Thank you for the information, I will replan my trip and back to you for booking.

ASSISTANT: You are always welcome. Thanks for contacting us, have a good day.