You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER:  I am Angela Jackson want to attend Memorial service at CO-DEN. Can you book a ticket from TX-AUS?

ASSISTANT: Sure, could you share your travelling dates?

USER: My travelling dates are 09/15 and 09/17.

ASSISTANT: May I know your preferences?

USER: I need a connecting flight.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: We found a flight on UA airline, flight number as 1019 with the fare of 300.

USER:  You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.