You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel CA - OAK from CO - DEN.Can you help me to book a flight ticket?

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 05/28 and 05/30.

ASSISTANT: The flight 1006 of Delta airlines with 2 connections is available for you.

USER: I want a flight with 1 connection limit.

ASSISTANT: Sorry, there are no flights available on your request. Can I know your name?

USER: I am James Taylor.Thank you for the information.

ASSISTANT: Thank you.