You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you now?

USER: I am planning to visit my cousin's home to attend a birthday party. Can you please help me out to book a ticket?

ASSISTANT: Sure, I can make a reservation for you.

USER: Thanks.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a halt.

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

USER: I prefer 08/27 and 08/29 for travelling.

ASSISTANT: How much should be your ticket fare?

USER: It should be only 200.

ASSISTANT: Which places would you like to board and land?

USER: I am willing to travel from Austin, TX - AUS. I am landing to Denver, CO - DEN.

ASSISTANT: Ok, please hold on a moment. I will check the availability of flights and let you know.

USER: Sure.

ASSISTANT: Thanks for your precious time. May I know your good name?

USER: My good name is Donna Anderson.

ASSISTANT: Sorry to inform you that there are no flights found with your requirements.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for selecting us.