You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Could you help me in booking a flight ticket?

ASSISTANT: How can I help you?

USER: OK, my source is CO-DEN to NY-JFk.

ASSISTANT: Please provide your travelling dates.

USER: OK, my travelling dates are 05/03 to 05/05.

ASSISTANT: Please give me a moment.

USER: OK, sure.

ASSISTANT: Thanks for waiting. As per your request the flight is available. The flight number is 1019 with price 100 and the connections 1. Are you OK with this?

USER: Sorry, my connection limit should be 0.

ASSISTANT: May I know your name?

USER: OK, my name is Sandra Campbell. OK, thank you.