You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: I am Andrew Edwards. I want to book a flight ticket from Chicago IL-ORD to CO-DEN, help me in booking my flight ticket.

ASSISTANT: Please provide your travelling dates?

USER: My travelling dates will be 11/09 to 11/11.

ASSISTANT: Please mention connections limit?

USER: I want a single connecting flight.

ASSISTANT: No flights found.

USER: Its ok, thank you.

ASSISTANT: Thank you.