You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, can I know the travel dates please?

USER: My preferable journey dates are from 03/29 to 03/31.

ASSISTANT: May I know your name please?

USER: My name is John Rodriguez.

ASSISTANT: There is a flight in UA airline with price 100, can I book it?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight number 1021.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.