You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight to reach San Francisco on Jan 9th?

ASSISTANT: Sure, can you please share me with your return details of journey?

USER: I intend to return on Jan 11th in afternoon time.

ASSISTANT: May I know your source airport code please?

USER: My source airport code is DEN.

ASSISTANT: Are you expecting any other help from my side please?

USER: I prefer a connected flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: May I know your good name please?

USER: Sure, I am Brandon Phillips.

ASSISTANT: Sorry Phillips, there is no flight found as per your travelling details.

USER: No worries, thank you.

ASSISTANT: You are welcome.