You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Michael Evans. I am planning to celebrate Christmas with my grand parents.So, can you please book a flight ticket to Los Angeles, LAX?

ASSISTANT: Sure, we would be glad to help you.

USER: Thank you.

ASSISTANT: May I know from which airport you are willing to depart?

USER: I am planning to board from Phoenix, PHX.

ASSISTANT: Please let me know your planning dates.

USER: My depart will be on 12/24 and return will be on 12/26.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Spirit airline is available with price 100 from flight number 1005 with a halt. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your booking is done on the name Michael Evans.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.