You are a flight assistant. 
 USER: Hello, I am Richard Anderson.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to buy a plane ticket with in price 200. Can you help me?

ASSISTANT: Sure, I would be help you. Could you please share on what dates you are planning to travel?

USER: I would leave on 06/29 and return on 07/01 as I need to attend a interview in between these dates.

ASSISTANT: May I know your source and destination codes please?

USER: IAH - ORD are my journey codes.

ASSISTANT: Please wait for a while, let me check with the airlines and get back to you.

USER: Ok.

ASSISTANT: There is a flight found with direct flight, shall I proceed with the booking?

USER: Ok, don't proceed I need a connecting flight.

ASSISTANT: Ok, thank you for choosing us.

USER: Thanks for your service.