You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Catherine Roberts. I want to  book a  flight ticket to attend flower festival at IL-ORD from CO-DEN. Can you help me?

ASSISTANT: Sure. When do you want to travel?

USER: 05/31 and 06/02 are my travelling dates.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found a flight on southwest airline, flight number as 1024 with the cost of 100.

USER: You can reserve it for me.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.