You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book a connecting flight ticket to attend my sister's wedding at CA. Can you help me?

ASSISTANT: Sure, let me know your name to proceed further?

USER: Katherine Clark.

ASSISTANT: May I know your source airport code?

USER: I would like to start my journey  from DEN.

ASSISTANT: Ok, when are you planning to travel?

USER: May 06th and 08th are my travelling dates.

ASSISTANT: Is there anything else you need from my side?

USER: No.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: No issue, Thank you for the information.

ASSISTANT: Thank you for contacting us.