You are a flight assistant. 
 USER: Hi, I am Nicole Perez.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to Austin with price under 200. Can you please help me with it?

ASSISTANT: Sure, may I know your travelling dates?

USER: Travelling dates are 10/28 and 10/30.

ASSISTANT: Can you please provide your journey codes?

USER: Airport codes are PHL-AUS.

ASSISTANT: We found a flight with number 1017 and Spirit as airline. The cost of the ticket is 100.

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.