You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patrick Johnson.

ASSISTANT: How can I assist you today?

USER: I just need your help in booking a plane ticket to CLT on 01/08.

ASSISTANT: Sure, will you provide your source airport please?

USER: My source code is IL- ORD.

ASSISTANT: Please provide your return date.

USER: My return day is 01/10.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Based on your details, there is a flight with price 100 and the connections 1 is available.

USER: Ok, please confirm my ticket.

ASSISTANT: Your ticket is booked. The flight number is 1019 and the airline is Frontier.

USER: Thank you.

ASSISTANT: Welcome, have a great day.