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

ASSISTANT: Hello. How can I help you?

USER: During winter I would like to go to San Francisco, so could you book a ticket from DTW to SFO?

ASSISTANT: Could you please provide your travelling dates?

USER: I would like to travel on 09/13 and return on 09/15.

ASSISTANT: There is a flight available with price 200 and flight number is 1023, would you like to proceed?

USER: Can I know the connection limit please?

ASSISTANT: Connection limit is 1.

USER: Ok, proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.