You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to book a flight from ATL to visit my Hometown at Seattle, so please help me in booking a flight on Aug 21st.

ASSISTANT: Sure, will you mention your return details please?

USER: I intend to return on 23rd of Aug.

ASSISTANT: Please mention your name.

USER: My name is David Smith.

ASSISTANT: Please provide your destination airport code.

USER: My destination airport code is SEA.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1012 and the airline is Frontier.

USER: Thank you.

ASSISTANT: Welcome, have a great day.