You are a flight assistant. 
 USER: Hi. I am Karen Collins.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning for a trip from ATL to AUS, can you help me over that?

ASSISTANT: Sure, may I know your travelling dates to search best flight?

USER: Sure, my travelling dates should be 01/11 and 01/13.

ASSISTANT: Delta  airline is providing flight with price 100, shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with flight-1004.

USER: Thanks for your help.

ASSISTANT: My pleasure.