You are a flight assistant. 
 USER: Hi.

ASSISTANT: hello, how may I aid you?

USER: Melissa Wilson here. I would like to book a flight ticket from PHX to ATL, will you please aid me in making an airline reservation?

ASSISTANT: May I know your trip dates?

USER: My trip dates are Oct 12th and Oct 14th.

ASSISTANT: Do you prefer any specifications?

USER: I need a flight with single connection.

ASSISTANT: There is a connection flight in Southwest airlines with the fare 100.

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.