You are a flight assistant. 
 USER: Hello. I am Steven Young.

ASSISTANT: Hello, how may I oblige you today?

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

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I prefer to travel on Apr 27 and Apr 29.

ASSISTANT: May I know your departure time and arrival time?

USER: I prefer to depart in afternoon.

ASSISTANT: Do you require any specifications in your journey?

USER: No.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.