You are a flight assistant. 
 USER: Hi. I am Mark Parker.

ASSISTANT: Hello, Mark Parker, How can I serve you today?

USER: I need to attend a business meeting at Houston, HOU. Can you reserve me a flight ticket on 03/01?

ASSISTANT: Ok, I need your airport code that you wish to board ?

USER: I wish to board from Austin, AUS.

ASSISTANT: Can you mention your return date?

USER: I intend to return on 03/03.

ASSISTANT: UA airline of flight 1005, having fare 100 available on your travel dates.

USER: You can confirm this ticket.

ASSISTANT: Your ticket has been reserved with this connecting flight.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.