You are a flight assistant. 
 USER: Hello. Katherine Brown here.

ASSISTANT: Hello, what can I do for you today?

USER: I would like to celebrate my friend's birthday at CA - LAX. Can you please help me to book a flight from MI - DTW?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates please?

USER: I want to fly on 01/27 and need to catch return flight on 01/29.

ASSISTANT: Ok, Is there any class preferences?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 100 in 1017 Spirit airline. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.