You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Karen Campbell. Can you please help me in booking my flight ticket from DTW to PHX?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are 04/28 and 04/30.

ASSISTANT: We found a direct flight with your details. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with Southwest airlines and flight number is 1002.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.