You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I would like to book a ticket from MCO to EWR.

ASSISTANT: Can I have your journey dates?

USER: Depart date is Oct, 26 and return by Oct, 28.

ASSISTANT: Do you need any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer business class.

ASSISTANT: May I know your name?

USER: My name is Jessica Clark.

ASSISTANT: There are no flights available on your routes.

USER: Thanks.

ASSISTANT: Thank you for choosing us.