You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jason Allen.

ASSISTANT: How can I help you today?

USER: I am planning to travel from CLT to ORD for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Can you provide me your travel dates?

USER: My travelling dates are 08/19 and 08/21.

ASSISTANT: Hold on for a moment, let me check.

USER: Sure.

ASSISTANT: There is a flight with Spirit airlines, shall I proceed with booking your ticket?

USER: Make sure that the price limit should not exceed 500.

ASSISTANT: Sure, the price is 100.

USER: Please confirm the booking.

ASSISTANT: Your ticket is confirmed successfully with flight number 1001.

USER: Thank you for the help.

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