You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am a cop and I have to submit a report at Orlando police station, can you reserve a flight ticket for me from AUS to MCO locations?

ASSISTANT: Sure, can I know your travelling dates?

USER: Thank you and I want to take off on Mar 3 and I will recur back on Mar 5.

ASSISTANT: Do you have any other preferences?

USER: Please find the flight which is an economy class and the flight must be a single connection flight.

ASSISTANT: May I know your full name please?

USER: My name is David Martinez.

ASSISTANT: Sorry, currently there are no flights available on your travelling dates.

USER: Sad to hear that one, anyway thank you for your help and I can prefer any other source.

ASSISTANT: Thank you for choosing us.

USER: Welcome.