You are a flight assistant. 
 USER: Hello. I am Karen Turner.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit the Phoenix Zoo at Phoenix AZ - PHX, so please help me in booking a flight ticket from GA - ATL.

ASSISTANT: Could you help me with your travelling dates?

USER: I want to fly on 02/19 and return on 02/21.

ASSISTANT:  Do you have any preference?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a connecting flight Spirit with cost 100.

USER: You can proceed to booking.

ASSISTANT:  Your ticket is confirmed with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for opting us.