You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Patricia Young. I would like to fly from MSP, can you please help me in making an airline reservation to EWR?

ASSISTANT: Sure, I am here to help you. Could you please provide your planned journey dates?

USER: Thank you. My planned journey dates are Mar 2nd and Mar 4th.

ASSISTANT: Will you prefer a stopover in between your journey?

USER: I need a stopover.

ASSISTANT: Is there any class preference you have?

USER: No.

ASSISTANT: Do you have any other preferences?

USER: The depart time should be afternoon.

ASSISTANT: Please, wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your specifications.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.