You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Anna Lee want to attend my sister-in-law's marriage, can you book a ticket with price below 500?

ASSISTANT: Sure, May I know your travelling locations?

USER: Yes, I would like to travel from MSP to ATL.

ASSISTANT: Ok, Let me know your journey dates.

USER: Sure, my travel dates are 08/23 and 08/25.

ASSISTANT: Thank you for the details. Please wait a moment, I will check the availability and get you back.

USER: Ok.

ASSISTANT: Thank you for waiting, We found AA airline with flight number 1011 and price is of 100 matched your details. Shall I confirm your booking?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.