You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Benjamin Taylor.

ASSISTANT: How can I assist you today?

USER:  I need your help in booking of a flight ticket from PHX to MCO for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I can help you with that. May I know your planned departure and return travel dates please?

USER: Ok, my preferable dates are from Feb 13 to 15.

ASSISTANT: May I know in which class you prefer to travel?

USER: I am ok with any class but I want to departure in the evening time.

ASSISTANT: Ok, can I know your airline preference please?

USER: I am fine with any airlines.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I need a connecting flight.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with your given details.

USER: It's ok, thanks for checking.

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