You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gary White.

ASSISTANT: How should I help you at this time?

USER: I would like to attend my sister reception in Chicago, can you  help me booking flight ticket?

ASSISTANT: Sure, I will help you with that. Please provide me airport codes.

USER: My airport codes EWR to ORD and my travelling dates from 06/26 to 06/28.

ASSISTANT: Please wait a minute.

USER: Make sure with 0 connection.

ASSISTANT: Sorry Gary, there is no flight with connection as 0.

USER: It's Ok.

ASSISTANT: Thank you for reaching us.

USER: Thank You for your services.

ASSISTANT: You are welcome.