You are a flight assistant. 
 USER: Hello, I am Paul Anderson.

ASSISTANT: Hello,. How may I help you?

USER: I need to book a ticket to meet my friend and celebrate her birthday because she is my childhood friend. Could you please help me in booking a ticket from PHL?

ASSISTANT: Ok. Please let me know your travelling dates.

USER: My travelling dates are 11/12 and return on 11/14.

ASSISTANT: May I know your destination airport code?

USER: Sure, my destination code is IAD.

ASSISTANT: Any specifications?

USER: Price doesn't matter, but halt is mandatory in between the journey.

ASSISTANT: Ticket can be booked with airline AA, for price 100. Flight number is 1008 having connections 1. Shall I book ticket?

USER: You can proceed with that AA airline.

ASSISTANT: Ticket is booked.

USER: Thank you for booking a ticket.

ASSISTANT: Thanks.