You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Kevin Hill.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking a flight ticket from LGA to MCO?

ASSISTANT: Ok, please can I know the dates of your journey?

USER: I want to travel on 03/17, and need to catch return flight on 03/19.

ASSISTANT: Ok, may I know if you had planned for a direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specification.

USER: I want to depart at afternoon time.

ASSISTANT: Sorry, there is no flight available during afternoon to book.

USER: Ok, no issues.