You are a flight assistant. 
 USER: Hello, I am Richard Harris.

ASSISTANT: Hello Richard Harris, how may I aid you?

USER: I am planning to setup a new branch of my cafe at Charlotte. Can you aid me in booking a ticket for me?

ASSISTANT: Sure Richard Harris, I am here to help you out. Please provide me your location airport code to check an enhanced flight in your route.

USER: Sure, search for the flights from OAK to CLT with 1 stopover.

ASSISTANT: Can you please mention me your trip dates?

USER: I am planning to leave from Oakland by 09/17 and return from Charlotte by 09/19.

ASSISTANT: Please allow me a moment to check the flight in your route.

USER: Take your time.

ASSISTANT: I regret to say you that, there is no flight in your route with your desired dates you mentioned.

USER: No issues. Thank you for checking, have a nice day.

ASSISTANT: Thank you for reaching us.