You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Emily Carter.

ASSISTANT: HI Carter.

USER: I am planning to visit my friend in Boston, MA- BOS on 12/23. My origin airport code is  PHX.

ASSISTANT: OK, may I know your return date?

USER: My departure month/day is 12/21. My return month/day is 12/23.

ASSISTANT: OK, there is a flight found as per your request. Flight number 1006 from Spirit airline is available for you.

USER: OK. Make sure I need a flight having one connection.

ASSISTANT: But the flight contains 2 connections, is it OK for you?

USER: No, I need only one connection.

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

USER: It's OK. Please don't book this ticket. Thank you for your response.

ASSISTANT: OK thank you, have a good day.