You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samuel Baker. Can you please help me to book a flight ticket from IAD to ORD?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are from 04/09 to 04/11.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in AA airline with 1 connection and the fare is 200. Shall I confirm your ticket with this airline?

USER: Please proceed to confirm.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.