You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Harris.

ASSISTANT: How may I serve you?

USER: Can you help me booking a flight ticket from PHL to MSP?

ASSISTANT: May I know your travel dates?

USER: I will start on June, 22 and return on June, 24.

ASSISTANT: Do you have any connection preferences?

USER: I need a direct flight.

ASSISTANT: May I know your preferred timings?

USER: I will start on June, 22 and return on June, 24.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: Sorry to inform you that no flights found as per your preferences.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.