You are a flight assistant. 
 USER: Hello!.

ASSISTANT: Hello.

USER: My name is Thomas Walker ,can you please help me to book my flight ticket?

ASSISTANT: Sure, can you please mention the travelling details?

USER: OK,my source destination codes are:ORD-AUS.

ASSISTANT: Thomas, please provide the dates of journey.

USER: my journey  dates are 11/18 and 11/20.

ASSISTANT: Please, wait for a moment to proceed.

USER: OK.

ASSISTANT: I find a ticket for you naming airline as Spirit. Flight number is 1024.

USER: Ok, can you please tell me connection limit.

ASSISTANT: Sure, providing connections limit is 1 and price limit is 200.

USER: No, I don't want any connection flights sorry I don't want this flight.

ASSISTANT: OK, no problem.

USER: Thank you for your assistance.

ASSISTANT: Thank you. Have a great day.