You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Jeffrey Baker want to visit San Francisco, can you book a ticket on 10/30 and 11/01?

ASSISTANT: Can you help me with your airport codes?

USER: Sure, I want to fly from JFK to SFO.

ASSISTANT: There is a flight-1025 with 0 connection, shall I proceed?

USER: Can you please check for connected flight?

ASSISTANT: Sorry, there is no flight with 1 connection.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome.