You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to meet my niece on her birthday, could you book my ticket from PHX to PHL?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My itinerary dates are Sept 29 and and Oct 1.

ASSISTANT: Do you have any preferences?

USER: I want to return from Philadelphia in the afternoon.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: Please book my ticket.

ASSISTANT: Can I know your name for booking?

USER: Brenda Roberts here.

ASSISTANT: Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.