You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Green.

ASSISTANT: How may I assist you??

USER: I want to book a flight ticket from PHX to ATL. Could you help me in booking?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My travelling dates are from Sep 05-07.

ASSISTANT: Do you have any other specifications?

USER: My return time should be in the evening and I need connecting flight.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with Southwest airlines.

USER: Thank you for helping me.