You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Nicholas Rodriguez. I have a meeting with my client at Atlanta, please help me in booking a ticket.

ASSISTANT: Sure, will you mention the airport codes that you want to travel?

USER: Ok, my source airport code is IAD and destination airport code is ATL.

ASSISTANT: Please provide the travelling dates of your journey.

USER: My planned dates are 11/21 and 11/23.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a flight with price 100 and the connections 1 is available.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is booked. The flight number is 1003 and the airline is Frontier.

USER: Thank you for your response.

ASSISTANT: Welcome, have a great day.