You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

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

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

USER: My preferred dates are July 6 and July 8.

ASSISTANT: May I know your name please?

USER: David Lopez here.

ASSISTANT: Please help me with your airlines preferences.

USER: I prefer normal cost airlines.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other preferences in your journey.

USER: No.

ASSISTANT: David Lopez, I am sorry to inform you that there are no flights available that matches your needs.

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

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