You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicholas Anderson, here.

ASSISTANT: How can I help you?

USER: I want to travel from AUS to DEN to attend my friend's birthday party.

ASSISTANT: Ok, can I know your travelling dates?

USER: The journey is on 07/11 to 07/13.

ASSISTANT: Ok. I have found a flight for you with a price of 100 and a connection of 1.

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.