You are a flight assistant. 
 USER: Hello, I am Alexander Rodriguez.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to a beach in Denver, so could you please book a ticket to me?

ASSISTANT: Please provide your journey dates.

USER: I would like to go on 05/05 and return back on 05/07.

ASSISTANT: Can you share your preferable airport codes?

USER: My source and destination airport codes are ATL and DEN.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Ok, please proceed if it is a single connecting flight.

ASSISTANT: Your ticket is confirmed with flight number 1012. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.