You are a flight assistant. 
 USER: Hi, I am Joseph Hall.

ASSISTANT: Hello, what kind of help are you looking from us?

USER: I want to book a flight ticket to visit Lakeside Amusement Park at Denver, please help me out.

ASSISTANT: Sure, I will help you in that. May I know on which dates you have planned to travel?

USER: My travelling dates are from 07/31 to 08/02.

ASSISTANT: Please share your airport codes?

USER: My airport codes are IAD and DEN.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Southwest with flight 1017 having a fare 200 with halt. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the reservation.

ASSISTANT: Thank you for reaching us.