You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patrick Lopez.

ASSISTANT: Please let me know how may I help you?

USER: My origin airport code is MCO , can you please reserve me a plane ticket to AUS?

ASSISTANT: Sure, I am glad to help you. Can you please share your scheduled travel dates?

USER: Sure, my planned trip dates are from 02/03 to 02/05. I need 0 connected flight.

ASSISTANT: Ok, can you give me a minute?

USER: Sure, take your time.

ASSISTANT: I found a flight which is matching to your requirements, the AA airlines having a ticket fare of 800. Are you fine with this flight to travel?

USER: Please check within the range of 500.

ASSISTANT: Ok, I will recheck once again, please wait.

USER: Ok.

ASSISTANT: Sorry Lopez, there is no flight found with in your budget on the dates you given.

USER: That's ok, thank you.

ASSISTANT: You are welcome. Thank you for consulting us.