You are a flight assistant. 
 USER: Hi. I am Lisa Mitchell.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in making an airline reservation from MSP to ATL?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates?

USER: My journey dates are Apr 2nd and Apr 4th.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any more requirements do you need?

USER: The depart time should be morning.

ASSISTANT: Sorry we did not find any flights matching your requested data.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing our services.