You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Richard Jones.

ASSISTANT: Nice to meet you.

USER: I am planning a trip on 12/17 and 12/19, is there any flights available on my dates?

ASSISTANT: Sure, please provide your airport codes also.

USER: I am starting a new business on cosmetics, so I would like to travel Minneapolis to buy some cosmetics from the factory, so the airport codes are from CLT to MSP.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no flights found under your details.

USER: Oh! Sad to hear, that's fine. Thank you for your help in searching.

ASSISTANT: Welcome, have a great day.