You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you today?

USER: I am Debra Williams. I would like to visit Arizon Desert with my colleagues which was located in Phoenix. Will you please assist me in booking a airline reservation?

ASSISTANT: Sure, may I know your journey dates?

USER: I would like to depart on 12/19. I intend to return on 12/21.

ASSISTANT: Ok, please share your journey airport codes.

USER: My journey airport codes are from NY--JFK to Phoenix AZ-PHX.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait. Thanks for waiting, we found a direct flight in Delta airline.

USER: Do not proceed.

ASSISTANT: Ok. Thank you for choosing us.

USER: Thank you.