You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Evans, want to travel from ATL to IAD. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my trip dates are from 05/20 to 05/22.

ASSISTANT: Ok, can you tell me if you have any other requirements?

USER: Yes, the connection of my flight should be 1.

ASSISTANT: Ok. There is a flight for you with 1 connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.