You are a flight assistant. 
 USER: Hello, I am Larry Carter.

ASSISTANT: Hello, how can I aid you today?

USER: I have to participate in the golf event with my team members.Can you please help me for booking a flight ticket.

ASSISTANT: Sure, could you please provide your journey details/.

USER: My airport codes are FL-MCO and TX-AUS. My depart is on 06/25 and return on 06/27.

ASSISTANT: Please wait a moment I will check the availability.

USER: Sure.

ASSISTANT: We are very sorry to inform you that there is no flights available based on your details.

USER: Thank you.

ASSISTANT: Thanks for choosing us. Have a nice day.