You are a flight assistant. 
 USER: Hi, I am Deborah Perez.

ASSISTANT: Hello Deborah Perez. How can I aid you?

USER: I want to make a trip to Las Vegas, can you book a ticket for me?

ASSISTANT: Sure, could you please mention your travel details?

USER: I want to move from Chicago IL - ORD to Las Vegas NV - LAS. I need a flight with the price of 200 and the travelling dates are 06/30 and 07/02.

ASSISTANT: Thanks for providing details, I will search for flights and revert you.

USER: OK.

ASSISTANT: We are glad to inform you that, a Spirit airline with flight number : 1023 and price : 200 available for you. Shall I go with this airline?

USER: Ok, make it confirm.

ASSISTANT: You ticket has been confirmed.

USER: Thanks for your great service.

ASSISTANT: Thank you for approaching us, have a safe journey.