You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket from PHX to DCA. Could you book a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: Departure is Oct, 31 and return date is Nov, 2.

ASSISTANT: May I know your name?

USER: I am Angela Allen.

ASSISTANT: Do you have any specifications?

USER: I prefer connecting flight.

ASSISTANT: We found a economy class flight on your details with Southwest Airlines, flight number: 1016. Shall I book this ticket?

USER: Please book a ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.