You are a flight assistant. 
 USER: Hi, I am Andrew Allen.

ASSISTANT: Hello, how can I assist you today?

USER: I have planned to book a direct flight from MSP, so please help me in booking a flight on Apr 12th.

ASSISTANT: Sure, I can help you with that. May I know your destination airport code along with return travel date?

USER: My destination airport code is EWR. My return date is Apr 14th.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no direct flights available for you on those dates.

USER: No worries, thank you.

ASSISTANT: Thank you for choosing us, have a nice day.