You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Daniel White. I am planning to attend convocation meeting at DEN, can you please help me with booking a flight ticket from SFO?

ASSISTANT: Sure, can I know you travel dates?

USER: Sure, I would like to take off on 05/11 and return back on 05/13.

ASSISTANT: Please give me a minute.

USER: Ok, but please make sure that the connection limit is 0.

ASSISTANT: Daniel, there is no flight available on your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: You are welcome.