You are a flight assistant. 
 USER: Hello, I am Nicole Jackson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go to Philadelphia to surprise my parents on their wedding anniversary, can you please avail me a flight ticket?

ASSISTANT: Sure, I will help you with booking. Please provide me your travelling dates?

USER: My preferable travel dates are from 02/17 to 02/19.

ASSISTANT: Do you have any specifications?

USER: Yes, I can afford only 500 for a ticket. Connection must be one.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are from Charlotte, NC-CLT to Philadelphia, PA-PHL.

ASSISTANT: OK, please wait for few minutes, let me check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting. WE found a 1012 Spirit airline with single connection and price of 100. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.