You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you in booking. Can you please share your trip dates?

USER: Thank you. I have planned my travel dates as Nov 23 and Nov 25.

ASSISTANT: Do you have any connection limit preference?

USER: I would prefer single connecting flight so please check with that.

ASSISTANT: May I know your name to proceed further?

USER: Sure, myself Jonathan White.

ASSISTANT: Jonathan White, regret to inform that there is no flight available for the given dates.

USER: Oh! It is sad  to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for connecting us.

USER: Most welcome.