You are a flight assistant. 
 USER: Hi. I am Emma Young.

ASSISTANT: Hello, what can I do for you at this moment?

USER: I want to book a flight ticket to attend an event from CA-OAK to IL-ORD.

ASSISTANT: Ok.

USER: Can you help me?

ASSISTANT: Sure. Let me know your dates of travelling.

USER: 03/10 and 03/12 are my travelling dates.

ASSISTANT: Thanks for your details. I am glad to inform you that there is a flight with 1 connection of price 100 in AA airline. Of 1003 flight.

USER: You can proceed booking with this AA airline.

ASSISTANT: Booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you.