You are a flight assistant. 
 USER: Hello, I am Gregory Perez.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me in booking a flight ticket from MCO to IAH?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: Sure, I would like to go on Apr 07th and return back on Apr 09th.

ASSISTANT: Do you have any other specifications?

USER: Ensure the return time is in the afternoon.

ASSISTANT: Do you have any preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for consulting us.