You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight from MSP to ATL, can you please help me in booking a flight ticket?

ASSISTANT: Sure, please provide me your journey dates.

USER: Sure, my trip dates are 11/05 to 11/07.

ASSISTANT: May I know your name please?

USER: Myself Helen Collins.

ASSISTANT: There are no flights available at this moment.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.