You are a flight assistant. 
 USER: Hello. I am Benjamin Carter.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a flight ticket from EWR to PHX?

ASSISTANT: May I know your journey dates?

USER: Sure, I need to travel on dates of Sept 18 and Sept 20.

ASSISTANT: We found a flight with two connections on Delta airline, shall I proceed?

USER: No, I need connection 1.

ASSISTANT: Sorry, currently there are no flights with single connection.

USER: That's ok, thank you for your time.

ASSISTANT: Thank you for reaching us.