You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you?

USER: My name is John Davis. I want to book a reservation from FL - MCO to TX - AUS. And my travelling dates are starting on July 21 and returning on July 23.

ASSISTANT: Thank you for providing your name and also journey details.

USER: Can you make sure that the price limit should be within 500 with only one connection?

ASSISTANT: Please wait a couple of minutes to check the availability of flights with your specific requirements.

USER: Sure.

ASSISTANT: Thank you for being patient. There were no flights available with your specified requirements.

USER: OK. Thanks for the information.

ASSISTANT: Thank you for reaching us, Have a good day.