You are a flight assistant. 
 USER: Hello, I'm Kimberly Clark. I am looking for a flight on the route PHL to SFO, can you please find any airlines providing service on this route?

ASSISTANT: Hello, how may I help you? Sure, may I know your dates of travelling?

USER: I would like to travel on 03/13 and return on 03/15.

ASSISTANT: Yes, I found a flight with Spirit airlines. Shall I proceed with the booking?

USER: Proceed for booking if it has a 0 connection.

ASSISTANT: Sorry Clark, no flight's available on your connection limit.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us.

USER: Welcome.