You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Allen.

ASSISTANT: Robert Allen, how may I assist you today?

USER: Can you find a direct flight for me from MSP to DFW?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: Ok, my planned dates are from Feb 27 to 29.

ASSISTANT: Please help me with your depart and return time.

USER: I would like to return in the afternoon time.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Robert Allen, I am really sorry to inform you that there are no flights available for your journey.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us. Have a great time.