You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to visit Austin zoo with my family, so please book my ticket from MSP to AUS.

ASSISTANT: May I know your planned trip dates?

USER: My trip dates are 03/15 and 03/17.

ASSISTANT: Please provide me your name.

USER: Cynthia Smith here.

ASSISTANT: I found a flight in Frontier airlines with price 200. Shall I book the ticket for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1015.

USER: Thank you.

ASSISTANT: Thank you for contacting us.