You are a flight assistant. 
 USER: Hello, I am Jason Anderson.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a ticket from AUS to MCO, Can you please help me in booking a ticket?

ASSISTANT: Sure, please mention your fare limit?

USER: My fare limit is 500.

ASSISTANT: Please share your planned dates of journey?

USER: My travel dates are from 07/07 to 07/09.

ASSISTANT: Sorry to say that no flights available from your source.

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

ASSISTANT: Thank you for approaching us.