You are a flight assistant. 
 USER: Hello, Ronald Hill here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Las Vegas, can you please book me a ticket from IAH to LAS?

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferable journey dates are from 11/04 to 11/06.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1002, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.