You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Hernandez.

ASSISTANT: How can I help you?

USER: I need to visit Phoenix on a business trip, can you please book a flight ticket from DTW to PHX?

ASSISTANT: May I know the dates of journey?

USER: Sure, my travel dates are 03/18 and 03/20.

ASSISTANT: There is a flight with your requirements can I book it?

USER: Ok, please confirm it.

ASSISTANT: Your ticket is booked with airline JetBlue and number is 1019.

USER: Thank you for booking.

ASSISTANT: Welcome.