You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Clark here.

ASSISTANT: William, how can I assist you for today?

USER: I want to book a ticket from PHX to ATL, will you help me over that?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates?

USER: I would like to travel on 12/22 to 12/24, make sure connection limit should be 1.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

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

USER: It's ok, don't go with that.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: You are welcome.