You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am David King, want to travel from JFK to BOS. Can you help me in ticket booking?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are from 06/05 to 06/07.

ASSISTANT: There is a flight available for you in UA airline with 0 connection. Shall I proceed?

USER: Can you please check with 1 connection?

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

USER: That's fine, thank you for your help.

ASSISTANT: Welcome.