You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Raymond King.

ASSISTANT: How can I assist you?

USER: I would like to see Golden Gate Bridge in San Francisco.

ASSISTANT: Sure King, Please provide me your airport codes?

USER: Can you help me for booking flight ticket from PHL to SFO?

ASSISTANT: May I know your travelling dates?

USER: My travel starts from 07/10 to 07/12. Make sure that connection limit is 0.

ASSISTANT: Ok, wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is a flight with 0 connection.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Welcome, have a nice day.