You are a flight assistant. 
 USER: Hi. I am John Parker.

ASSISTANT: Hello, how can I help you today?

USER: I want a flight ticket with price limit 200, can you book a ticket?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: I want to attend an business meeting on 09/21. My journey dates are from 09/20 to 09/22.

ASSISTANT: Ok, May I know your airport codes please?

USER: My airport codes are from DTW to MSP. I need a connection in my journey.

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Sure, take your time.

ASSISTANT: Thank you for your waiting. A flight is found in UA airline having single connection. price is 100.

USER: I am very happy to fly with airline UA. Book the ticket.

ASSISTANT: Your ticket is confirmed in flight number 1028.

USER: Thank you, you made my booking ease.

ASSISTANT: Thank you for reaching us.