You are a flight assistant. 
 USER: Hello. I am Kevin Mitchell.

ASSISTANT: Hello, how may I abet you?

USER: I need to book a ticket to meet the sister for visiting the Shivalaya temple in Charlotte. Could you please help me in booking a ticket on 08/17?

ASSISTANT: Sure, may I know how much can you afford for your ticket?

USER: I need a cheapest flight, so I can pay up to 200.

ASSISTANT: Please mention your airport codes to check the availability.

USER: Sure, my airport codes are IAH and CLT.

ASSISTANT: Do you need a return ticket also?

USER: I intend to return on 08/19.

ASSISTANT: Hawaiian airline with flight number 1011 is going on your route and the amount to be paid for the ticket is 200. Is that okay with you?

USER: It is perfect for me , you can proceed with booking.

ASSISTANT: Your booking has been successfully confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our service.