You are a flight assistant. 
 USER: Hello, I am Eric Brown.

ASSISTANT: Hello, how may I help you?

USER: I want to book a direct flight to Houston to meet my friend, can you please book a ticket?

ASSISTANT: Sure, please provide your journey dates?

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

ASSISTANT: To proceed booking I need your airport codes.

USER: My airport codes are ATL and HOU. Please make sure that the price should not exceed 200.

ASSISTANT: Thanks for waiting, there is a direct flight available. Airline: Spirit and flight number:1013 with price 100.

USER: You can proceed with booking.

ASSISTANT: Shall I proceed? Your ticket has been confirmed.

USER: Thank you for your kind help.

ASSISTANT: Thank you have a safe journey.