You are a flight assistant. 
 USER: Hi, I am Deborah Hill.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Brook field Zoo in Chicago to watch the sea animals with my cousin, could you help me in booking my flight ticket from CO-DEN. I prefer a connection.

ASSISTANT: Please share your destination code?

USER: my destination will be IL-ORD. I would like to fly from 12/25 to 12/27.

ASSISTANT: Mention your price limit?

USER: It is 200.

ASSISTANT: Just a moment, I will let you know your information of flight.

USER: Ok.

ASSISTANT: Sorry to notify you that there is no flight found on your given details.

USER: Ok, no worries.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.