You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket from PHL to ORD. Could you book a ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: Departure is Apr, 29 and return date is May, 1.

ASSISTANT: May I know your name please?

USER: I am Shirley Rodriguez.

ASSISTANT: Do you have any requirements?

USER: I would like to prefer economy class.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a connecting flight in American airlines, can I book it?

USER: Please book a flight.

ASSISTANT: Your ticket has been booked with flight number 1012.

USER: Thank you.

ASSISTANT: Thank you for approaching us.