You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to travel to PHL for my brother's marriage, can you please reserve ticket from LAS?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, my planned dates are Sep, 13 and 15.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a direct flight to travel.

ASSISTANT: May I know your connection limit? Do you have other preferences?

USER: I have already mention connection limit. No.

ASSISTANT: Please wait.

USER: Sure, I will wait.

ASSISTANT: Direct flight is provided by AA airlines and ticket costs you 100 in economy class.

USER: Ok, please proceed to booking.

ASSISTANT: May I know your name?

USER: Sure, my name is Benjamin Anderson here.

ASSISTANT: Your ticket is confirmed in flight 1000. Flight departs at 21:00 PM and arrives at 4:00 AM.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us Benjamin Anderson.