You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Hall.

ASSISTANT: How can I assist you today?

USER: I have planned a trip with my ex-colleagues who are staying at Chicago, can you help me to book a ticket from IAD to ORD?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are 03/04 and return on 03/06.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1008 and the airline is AA.

USER: Thank you.

ASSISTANT: Welcome, have a great day.