You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: My name is Nancy Collins. I want to book a flight ticket with a price limit of 500 to meet my sister in Philadelphia.

ASSISTANT: Sure, Nancy Collins, please share your planned dates.

USER: My departure day is 03/27, return day is 03/29.

ASSISTANT: To proceed further, we need your journey points.

USER: My source and destinations are TX-IAH, PA-PHL. And my connections limit is one.

ASSISTANT: Ok, please hold on for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for being on hold, we found a flight with two connection limits.

USER: Don't proceed to booking, because I want one connection limit only. Thanks for your service.

ASSISTANT: Thanks for opting our service, have a nice day.