You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to book a flight ticket to attend an event which is going to held at NY. Can you help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: June 23th and 25th are my travelling dates.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: MCO and LGA are my airport codes.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I would like to depart in the afternoon.

ASSISTANT: Can you please provide your name to proceed further?

USER: Brenda Scott here.

ASSISTANT: Sorry, there are no flights available at your request.

USER: No issue. Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.