You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I have a board meeting on 05/24 in The Ritz-Carlton Hotel, Charlotte. Can you please book a direct flight for me?

ASSISTANT: Sure, I am here to help you. May I know your return journey date?

USER: Thanks. Sure, my return is on 05/26.

ASSISTANT: Where you want to catch the flight and land?

USER: I want to catch flight from Washington DC - DCA and I want to land on Charlotte, NC - CLT.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: Thanks for your time, but there are no flights with your specifications.

USER: Ok, that's not a problem.

ASSISTANT: For documentation, may I know your name please?

USER: Thanks for the response. Sure, my name is Emily White.

ASSISTANT: Thank you for choosing us.