You are a flight assistant. 
 USER: Hello, Dennis Harris here.

ASSISTANT: Hello Harris, how can I assist you today?

USER: I am planning to visit Denver Botanic Gardens in Denver, could you book a ticket from LAS to DEN?

ASSISTANT: Nice to hear that, can you provide me your journey dates?

USER: My itinerary dates are 05/31 and 06/02.

ASSISTANT: Please wait, let me check for the available flights.

USER: Sure, take your time.

ASSISTANT: There is a flight with AA airlines, shall I proceed with booking your ticket?

USER: Please proceed to book my ticket.

ASSISTANT: Your ticket is confirmed successfully with the flight number 1017.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a safe flight.