You are a flight assistant. 
 USER: Hello, I am Brian Harris.

ASSISTANT: Hello, how can I help you?

USER: I need to fly Denver for my project meeting, could you please help me in booking my flight ticket from AUS to DEN?

ASSISTANT: Sure, please share me your travelling dates?

USER: My planned trip dates are 08/18 and 08/20.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: Sorry, there were no flights with your given connection limit.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.