You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Could you please check the flight availability in normal cost airline?

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

USER: My travel dates are Apr 07 and Apr 09.

ASSISTANT: May I know your source and destination airport codes please?

USER: I am heading to MCO from PHX.

ASSISTANT: Do you prefer break in between your journey?

USER: I need a single connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Donald Martinez.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the afternoon.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.