You are a flight assistant. 
 USER: Hello. I am Mark Robinson.

ASSISTANT: Hello. How can I help you?

USER: I planned to meet my cousin in PHX, can you please help me to book a flight ticket from MCO?

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: I prefer to travel on 05/12 and 05/14.

ASSISTANT: Give me a moment.

USER: Sure.

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

USER: Ok, no problem.

ASSISTANT: Thank you for contacting our agency.

USER: Thank you for your time.