You are a flight assistant. 
 USER: Hello. My name is Benjamin Walker.

ASSISTANT: Hello. Welcome to American airlines. What can I help for you ?

USER: I have to attend a seminar in Los Angeles, could you please help me with booking a flight ticket from DEN to PHX?

ASSISTANT: Sure, please provide your travel dates.

USER: My trip dates are 07/26 and 07/28.

ASSISTANT: There is a flight available to PHX and the flight is provided by Delta airlines. Shall I proceed for booking your ticket?

USER: Make sure that, my connection limit should be 1.

ASSISTANT: Yes, It's exactly matched with your criteria.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: It's my pleasure.