You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Katherine Gonzalez. I want to book a flight ticket from NY - LGA to CA - SFO, please help me in that.

ASSISTANT: Sure, could you let me know your travelling dates?

USER: My travelling dates are from 05/11 to 05/13.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Sorry, we could not find any flights on your travelling dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.