You are a flight assistant. 
 USER: Hello. I am George Brown, want to travel from EWR to ORD.

ASSISTANT: Hello, May I know your trip dates?

USER: My travelling dates are from 07/09 to 07/11.

ASSISTANT: In Delta airline, there is a flight for you with 0 connection and fare is 200. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.