You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jason Roberts, I have a plan to visit Las Angeles, so I need a flight ticket from EWR. Please help me to book a flight ticket.

ASSISTANT: Sure, can I know your source code and your travelling dates?

USER: My travelling dates are 03/09 and 03/11.

ASSISTANT: Can I know your destination airport code?

USER: The source airport is EWR and the destination airport is LAX.

ASSISTANT: There is a flight available with us with flight number 1024 from Spirit airline. Do you like me to proceed?

USER: What is the price limit?

ASSISTANT: The price limit is 100.

USER: Ok, then proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: It's my pleasure.