You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to meet my school friend in Atlanta, so please book a flight ticket from MCO to ATL.

ASSISTANT: Please share your travelling dates.

USER: I will start on Apr 16, return on Apr 18.

ASSISTANT: Do need any connection limit?

USER: I want direct flight.

ASSISTANT: May I know your depart and arrival time?

USER: I am comfortable with any time.

ASSISTANT: Do you need any specific class preference?

USER: No.

ASSISTANT: If you have any other specifications let me know?

USER: I do not have any other specifications.

ASSISTANT: May I know your name for reservation?

USER: My name is Virginia White.

ASSISTANT: There are no flights available on your routes.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.