You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: I am a techie and I need to attend a workshop on ORACLE in Denver with my colleagues. Assist me to make a reservation with the name of Barbara Thomas from Austin, AUS.

ASSISTANT: Sure, I can help you in that. Can you provide the Denver airport code?

USER: My Denver airport code is DEN.

ASSISTANT: Can I have your travelling dates?

USER: I have to fly on 07/22 and intend to return on 07/24.

ASSISTANT: Do you need any stop over in between the journey?

USER: I need a halt for my journey.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There is a 1017 Southwest airline with fare of 200 and a halt matches your schedule. Shall I proceed with booking?

USER: Ok, reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.