You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me book a direct flight to Charlotte?

ASSISTANT: Sure, May I know your name and journey dates?

USER: I am Laura King. I prefer to depart on 09/21 and return on 09/23.

ASSISTANT: Ok, Let me know your airport codes.

USER: My source is ORD and destination is CLT.

ASSISTANT: Thank you for details. Please wait, I will check the availability and get you back.

USER: Sure.

ASSISTANT: Thank you for waiting, Sorry we found a flight with one connection.

USER: Ok. Thank you for your response.

ASSISTANT: Thank you for choosing us.