You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Please assist me in reserving a flight ticket to AUS.

ASSISTANT: Sure, on which dates you would like to travel?

USER: My travelling dates are 01/19 and 01/21.

ASSISTANT: Ok, may I know your source code to proceed further?

USER: My source is LAS.

ASSISTANT: Ok, please wait a moment I will check for available flights and let you know.

USER: Sure.

ASSISTANT: Ok, there is a flight 1009 in Delta airline matching your details with price. The price of the flight is 200 and connection is 1. Is it ok for you?

USER: Yes, I am fine with that flight.

ASSISTANT: May I know your name to book the ticket?

USER: My name is Melissa Hernandez.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.