You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you?

USER: I am Katherine Perez. I would like to host the Film Festivals on 10/05, can you help me in booking a flight ticket from Denver, CO - DEN?

ASSISTANT: Sure, please share your destination airport code.

USER: Sure, my landing airport is Phoenix, AZ - PHX.

ASSISTANT: May I know when do you plan to return?

USER: I intend to return on 10/07.

ASSISTANT: Do you need a halt within your journey?

USER: Yes, I need a lay by.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: We found a Delta airline with flight number 1003 and price of 300 matching your requirements.

USER: Ok, book my ticket.

ASSISTANT: Your reservation has been processed.

USER: Ok. Thank you.

ASSISTANT: Thank you for approaching us.