You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight from CLT to MSP?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I want to depart on Aug 13 and need to return on Aug 15.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Please help me with your name for booking.

USER: Dennis Wright here.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.