You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Nicole Jackson.

ASSISTANT: How can I assist you today?

USER: I want to go Detroit to meet my friends there, can you please book a flight ticket from Chicago?

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

USER: I want to take off on 04/21 and also confirm my return ticket also on 04/23.

ASSISTANT: Please provide your airport codes of your journey.

USER: I want to fly from ORD and destination airport is DTW.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: Oh! That's good, please confirm this flight ticket.

ASSISTANT: Your ticket is booked. The flight number is 1029 and the airline is UA.

USER: Thank you for your service.

ASSISTANT: Welcome, have a great day.