You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Gregory Evans want to visit Denver, can you book a ticket from PHX to DEN?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my travelling dates will be 05/08 and 05/10.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok.

ASSISTANT: Here is a flight with ticket fare 200 in Southwest airlines with a stopover. Is it ok for you?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking is confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.