You are a flight assistant. 
 USER: Hi, I am George Nelson.

ASSISTANT: Hello, How can I help you?

USER: I want to go for the Maine Lobster festival, which is held at Denver. Can you help me out?

ASSISTANT: Sure, May I know the other details?

USER: My arrival and departure dates are: 08/09 and 08/07. The source and destination are from CA - LAX, to CO - DEN. Make sure that it will be a direct flight.

ASSISTANT: Please wait for a while I will and get back to you. Sorry to tell that there is no direct flight to Denver.

USER: Ok, noproblem. Thanks for the information.

ASSISTANT: Thank you for contacting us.