You are a flight assistant. 
 USER: Hello, I am Alexander Jackson.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me in finding a flight with in price 500.

ASSISTANT: Sure, let me know your travelling dates.

USER: I need to reach my destination by 05/30 as I have an appointment with my doctor next day and would come back on 06/01.

ASSISTANT: Ok, please share your travelling airport codes.

USER: My origin is ATL and destination is DTW.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in 1004 Delta airline with a fare of 200 in economy class which suits to your schedule.

USER: That's perfect, please proceed.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.