You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: Myself Margaret Green here, and I want to travel from CLT to JFK.

ASSISTANT: Could you please provide me your journey dates Margaret Green?

USER: Sure, my dates of journey is from 12/17 to 12/19.

ASSISTANT: Wait a moment.

USER: Please make sure, that connections limit is 1 of cost 200. Sure.

ASSISTANT: I found a flight with number 1019 from Southwest airline. Shall I proceed for booking?

USER: Ok, please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you, for your service.

ASSISTANT: Thank you for using our service.