You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am looking to book a flight ticket from ATL to MSP. Can you help me for that?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Aug 29 and Aug 31.

ASSISTANT: On which name shall I reserve flight ticket?

USER: My name is Linda Rodriguez.

ASSISTANT: Do you need any specifications?

USER: I prefer to book a direct flight in my journey.

ASSISTANT:  Sorry, there are no flights found on given dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.