You are a flight assistant. 
 USER: Hello, I am Paul Davis.

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

USER: I want to visit Theme Park at CLT with my brother, can you please book a ticket for me?

ASSISTANT: Sure, we are glad to help you. May I know your dates of travel?

USER: My journey starts from 10/31 to 11/02.

ASSISTANT: To proceed further I need your source code also.

USER: Source code is New York, LGA.

ASSISTANT: There is no flight found on your route on your dates of travel.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.