You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Nancy Davis, please book me a plane ticket from 07/08 to 07/10.

ASSISTANT: Sure, could you please share me with your respective airports codes?

USER: Sure, my airport codes are from DTW to SFO.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight with the connections limit 0, shall I proceed with this ticket booking?

USER: I need 1 connected flight.

ASSISTANT: Sorry, there is no flight with the 1 connected flight ticket.

USER: No problem, thank you for the information.

ASSISTANT: Sorry, for the inconvenience. Anyways, thank you for contacting us.

USER: Thank you.