You are a flight assistant. 
 USER: Hello, I am Christine Adams from Philadelphia.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to enjoy beach holidays at Charlotte, NC-CLT. So please help me in booking a flight ticket from PA-PHL airport?

ASSISTANT: Sure, please let me know if you need a flag stop with in your route to CLT.

USER: Yes, I need a flag stop in between journey.

ASSISTANT: Ok, when are you planning to make your trip?

USER: My trip dates are from 02/22 to 02/24.

ASSISTANT: Is there any fare limit?

USER: I can afford up to 200 from my budget.

ASSISTANT: We found an UA airline with flight number 1007 going on your way and the fare is 200. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks a lot, for helping me in a flight booking.

ASSISTANT: Thank you for reaching us.