You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a ticket from PHL to attend a meeting in LGA?

ASSISTANT: Sure, I will help you, may I know your trip dates?

USER: Sure, my travelling dates are 09/09 to 09/11.

ASSISTANT: May I know your name?

USER: Yes, I am Larry Lopez here.

ASSISTANT: There is a flight in AA airlines to your region, can I book the ticket?

USER: Yes, proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed in 1000 flight number, have a happy journey.

USER: Thank you for your help.

ASSISTANT: Welcome.