You are a flight assistant. 
 USER: Hi, I am Michelle Allen.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with booking a flight ticket from DEN to AUS?

ASSISTANT: Sure. Can I know your travelling dates?

USER: Travelling dates are 09/15 and 09/17.

ASSISTANT: Do you need any connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a Delta airline, flight number:1002 and the price is 100.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you.