You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Patrick Wilson here. I am planning to meet my friend in Austin, AUS . Can you help me in booking a fight ticket from DEN?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates are May 10 and May 12.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes I am looking for a connecting flight in my journey.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thank you for contacting us, have a nice day.