You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Martinez.

ASSISTANT: Brandon Martinez, how may I aid you?

USER: I am planning to book a ticket to attend a meeting at PHX. Can you please help me out from DEN?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would like to travel on Apr 19 and return back on Apr 21.

ASSISTANT: Please wait for a while.

USER: I need a direct flight.

ASSISTANT: AA airlines with flight 1007 is providing service with a connecting flight on your route.

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.