You are a flight assistant. 
 USER: Hi, I am Ryan Young.

ASSISTANT: Hello,. How best can I assist you today?

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 book me a ticket?

ASSISTANT: Sure, I am eager to help you with booking. Can you mention your board & landing airport codes?

USER: My boarding point is Seattle, WA-SEA. My landing point is Charlotte, NC-CLT.

ASSISTANT: Ok, What are your preferable travel dates to travel & return?

USER: My preferable dates to travel are from 04/16 to 04/18.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We found a direct flight, with your matching credentials. Would you like me to proceed further?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thanks for approaching us.