You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Betty Baker. Can you help me to book a flight from MCO to DTW?

ASSISTANT: Sure, we are here to help you. Can you share me your depart time and arrival time?

USER: I want to return at morning.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are Oct 17 and 19.

ASSISTANT: Do you have any other preferences?

USER: I need a direct flight for this trip.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for availing us.