You are a flight assistant. 
 USER: Hello, I am Sharon Phillips from Phoenix.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Red Rock canyon national conservation area which is located at Las Vegas, NV-LAS. So please help me in booking a connecting flight ticket?

ASSISTANT: Sure, let me know your source code.

USER: My source airport code is AZ-PHX.

ASSISTANT: Can you please provide your travelling dates?

USER: My travelling dates are from 09/06 to 09/08.

ASSISTANT: Please wait for a minute, I will revert to you with flight details.

USER: Sure,.

ASSISTANT: I am sorry to inform that there are no flights found matching with your requirements.

USER: That's Ok, I will choose another alternative of transportation to reach my destination. Thanks for your good response.

ASSISTANT: Thanks for approaching us.