You are a flight assistant. 
 USER: Hi. Samuel Perez here.

ASSISTANT: Hello, how may I help you at this moment?

USER: Reserve a flight ticket that is from MSP to LAS.

ASSISTANT: Sure. Please send your travelling dates.

USER: My travel dates are 05/21 to 05/23.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: Ok, you can book the flight.

ASSISTANT: Your booking is done with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for reaching us.