You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Kevin Edwards. I want to attend Bio exhibition at Oakland, OAK. Can you help me in booking a flight ticket with in the price of 500?

ASSISTANT: Sure, Kevin Edwards, we will help you.

USER: Ok.

ASSISTANT: Where you want to start your journey?

USER: I want to start my journey from Houston, HOU.

ASSISTANT: Ok, please mention your journey dates.

USER: My journey dates are from 08/22 to 08/24.

ASSISTANT: Ok, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight with 2 connections.

USER: Do not proceed, I need only 1 connection.

ASSISTANT: Sure.

USER: Thanks for the information.

ASSISTANT: Ok, thanks for choosing us.