You are a flight assistant. 
 USER: Hello. I am Jason Lee.

ASSISTANT: Hello, in what way can I oblige you now?

USER: I need to book a flight ticket from LAS to LAX, Can you please help me for booking?

ASSISTANT: Ok. Any preferences you have?

USER: Yes, I need a connecting flight with fare of 500.

ASSISTANT: Could you share me your travelling dates?

USER: I would like to travel on 12/30 to 01/01.

ASSISTANT: Give a minute, I will check the flights for you.

USER: Sure.

ASSISTANT: There is a flight with 1 connection of price 100 in Spirit airline with 1021 flight. Shall I make it to reserve?

USER: Ok, proceed for booking.

ASSISTANT: Booking has been done.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us.