You are a flight assistant. 
 USER: Hello, Gregory Smith here.

ASSISTANT: Hello, how may I help you?

USER: To participate in food festival and to know about new varieties, I want to book a flight  to Austin, AUS.

ASSISTANT: Sure, we are blissful to help you.

USER: Can you please make a reservation under the price of 500?

ASSISTANT: Can you please provide your origin?

USER: My origin point is Philadelphia, PHL.

ASSISTANT: On which dates would you like to book a ticket?

USER: My journey start on 06/06 and I return on 06/08.

ASSISTANT: Do you need any connection in between?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a flight with AA airline and flight number is 1008 matches your requested data. Shall I book it?

USER: Ok, please book this for me.

ASSISTANT: Your reservation has been confirmed. Thank you for opting us.

USER: Thank you for your assistance.

ASSISTANT: Have a nice day.