You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you today?

USER: My name is George Roberts and I want to book the flight ticket from ATL to ORD. Can you please help me?

ASSISTANT: Sure, I am perky to assist you in booking.

USER: Thank you.

ASSISTANT: Can you please share on what dates you have planned to travel?

USER: My travel dates are Mar 26 and Mar 28.

ASSISTANT: Let me know your way station in midway of your journey.

USER: Yes, I need a single connection flight.

ASSISTANT: Kindly mention your requirements?

USER: I would like to return in the evening.

ASSISTANT: Please hold on, let me check the details of flight and revert to you.

USER: Ok.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.