You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Gregory Campbell want to book a flight ticket on 07/17 and return on 07/19, can you help me with it?

ASSISTANT: Sure, can you please share your airport codes?

USER: Yes, my airport codes are MI-DTW and NY-LGA.

ASSISTANT: Do you have any other restrictions to be met?

USER: Yes, I need a connection in between.

ASSISTANT: Ok, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we have found a Southwest airline, flight number-1002 connections-1 and price limit is 100. Shall I proceed to booking?

USER: Ok, please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for approaching us.