You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please help me with booking ticket from PHL to LAS.

ASSISTANT: May I know on what dates would you like to travel?

USER: Ok, my journey dates should be from Sept 15 to 17.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the afternoon time.

ASSISTANT: May I know your name?

USER: Ok, I am Pamela Lewis.

ASSISTANT: AA airlines is providing a connecting flight in economy class.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you.