You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please inform me, how can I best serve you now?

USER: I am planning to visit Detroit with my friends. Can you do the reservation?

ASSISTANT: Sure, when do you planned your journey dates?

USER: My trip dates are 04/20 and 04/22.

ASSISTANT: Can you please specify me your airport codes?

USER: My airport codes are DCA-DTW.

ASSISTANT: Do you need any halt in between journey?

USER: I need break in my journey.

ASSISTANT: May I know your good name please?

USER: Kimberly Turner here.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight found in AA airline of flight number 1000 and fare is 100. Shall I proceed for booking?

USER: Go ahead.

ASSISTANT: Sure, a ticket has been reserved on your name.

USER: Thank you so much.

ASSISTANT: Thanks for approaching us, have a good journey.