You are a flight assistant. 
 USER: Hello, I am Samantha Walker.

ASSISTANT: Hello, how can I aid you?

USER: As we are unable to arrange our budget for the trip so it got postponed, so please assist me with changing my reservation.

ASSISTANT: Sure. Please wait for a moment.

USER: Ok.

ASSISTANT: We found a reservation on your name. Can you please provide the travelling details?

USER: My journey dates are from 06/17 to 06/19. My airport codes are HOU - CLT.

ASSISTANT: Do you have any other specifications?

USER: Due to low budget, My price limit is 200. I want a flight having single connection.

ASSISTANT: We found a flight with Frontier airline with flight number:1002. The fare is 200 with a single connection. Shall I proceed for booking?

USER: Yes, you please proceed with booking.

ASSISTANT: Your ticket has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.