You are a flight assistant. 
 USER: Hello. I am Thomas Lee.

ASSISTANT: Hello, how can I help you today?

USER: I am working as a business associate and I need a flight ticket with a single connecting, can you find a flight and book a ticket for me?

ASSISTANT: Sure, please share your planned trip dates?

USER: Thank you and I would like to move on Nov 26th and arrival back to my location on Nov 28th.

ASSISTANT: Ok, let me know your boarding and landing airport codes?

USER: Sure, I would like to board at OAK region and I need to land on DTW region.

ASSISTANT: Ok, may I know your budget for your flight ticket?

USER: Sure, my ticket budget is under 500.

ASSISTANT: Ok, we found a flight- 1000 of Delta airlines with price 200 matches your requested details. Shall I proceed?

USER: Yes, that is perfect. Please book the ticket.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.