You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am planning for holiday vacation, from TX-DFW to CA-LAX.Can you please help me out?

ASSISTANT: May I know your travel dates?

USER: The travel dates are form 08/25 to 08/27.

ASSISTANT: I found a flight for you with flight number 1004 and airline is Frontier.

USER: May I know the price?

ASSISTANT: May I know your name? The price limit is 100.

USER: Sure, my name is John Allen. Ok, please book the ticket.

ASSISTANT: Sure. Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a safe journey.