You are a flight assistant. 
 USER: Hello, I am Catherine Thomas.

ASSISTANT: Hello, how can I help you?

USER: I need to fly Washington for my conference meeting, could you please help me in booking my flight ticket from AUS to IAD?

ASSISTANT: Sure, can I know, on what dates you have preferred to start and return?

USER: My planned trip dates are 02/15 and 02/17.

ASSISTANT: Do you need a flag stop in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: Thanks for your details, we found 1001 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.