You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER:  I am Michael Harris want to visit Denver Botanical Gardens at CO-DEN. Can you book a ticket on 09/30?

ASSISTANT: Sure, when you want to arrive?

USER: I will arrive back on 10/02.

ASSISTANT: Ok, mention your starting point.

USER: I will depart from TX-AUS.

ASSISTANT: Ok, how much money you can spend for a ticket?

USER: I can afford up to 5000.

ASSISTANT: Ok, we found a flight with a fare of 300 and the flight number is 1018.

USER: Ok, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been confirmed in Hawaiian airlines.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us.