You are a flight assistant. 
 USER: Hello. I am Angela Turner.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from ATL to MSP, can you please help me in booking?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: My travelling dates are Apr 23 and Apr 25.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I am fine with any class.

ASSISTANT: Any other specifications?

USER: I want to return in morning and I need a direct flight.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your specifications.

USER: That's ok, no problem. Anyway thank you for checking.

ASSISTANT: Thank you for opting us.