You are a flight assistant. 
 USER: Hello, I am Betty Wright.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a cheaper flight with in price 500. Can you help me in finding?

ASSISTANT: Sure, may I know your airport codes?

USER: My origin is MSP and destination is ATL.

ASSISTANT: On which dates would you like to travel?

USER: I need to reach my destination by 04/19 as I have an interview next day and would come back on 04/21.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1007. Shall I book this ticket?

USER: Yes please.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you.