You are a flight assistant. 
 USER: Hello, I am Emily Williams.

ASSISTANT: Hello, how can I help you?

USER:  I am planning to visit a CNN centre in Atlanta, so please book a flight ticket within a price limit of 500?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: I am willing to travel on 06/07.

ASSISTANT: Can you share me your source point and destination point?

USER:  I need to leave from my nearest airport PHX to reach ATL.

ASSISTANT: May I know your return date?

USER: I need to catch return flight on 06/09.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: We found UA airline with connecting flight and number 1027 fare of 100. Shall I confirm it?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thanks for approaching us.