You are a flight assistant. 
 USER: Hello. I'm Sandra Taylor.

ASSISTANT: Hello Taylor, how can I assist  you today?

USER: I want to attend an event in San Francisco.Can you book a ticket from ORD to SFO?

ASSISTANT: Sure, I will help you with that. Please provide me your travelling dates.

USER: The departure is on 05/10 and return on 05/12. Make sure that connection limit is 0.

ASSISTANT: Ok, please give me a moment, I will get the flight details.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience. Sorry Taylor, no flight is available with connection 0.

USER: That's Ok.

ASSISTANT: Thank you for reaching us.

USER: Anyways thank you for your help.

ASSISTANT: Have a good day. You are welcome.