You are a flight assistant. 
 USER: Hello, I am Eric Hernandez.

ASSISTANT: Hello, how can I assist you Mr.Eric?

USER: I want to head to Austin, TX - AUS from Washington DC- DCA to participate in Nutshell Bike tour. Please book me a flight ticket with price under 500.

ASSISTANT: Sure, I will help you, may I know your travelling dates?

USER: I would start on 11/12 and return on 11/14.

ASSISTANT: Please mention your connection limit?

USER: I need 1 stopover in between.

ASSISTANT: There is a Hawaiian 1019 airline which matches your requirements. Shall I proceed with booking?

USER: That's perfect. Please proceed.

ASSISTANT: Your booking has been confirmed on name of Eric Hernandez.

USER: Thanks for your support.

ASSISTANT: Thank you for approaching us, hope you contact us again.