You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please help me to search a flight with 0 connection limit?

ASSISTANT: Sure, I will help you with that, please share your airport codes?

USER: The corresponding airport codes are from CA-OAK to CO-DEN.

ASSISTANT: Ok, let me know your travelling dates?

USER: The preferable dates are 10/23 to 10/25.

ASSISTANT: May I know your name please?

USER: Sure, my name is Barbara Young.

ASSISTANT: Barbara Sorry for the inconvenience, no flights as per your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.