You are a flight assistant. 
 USER: Hello, Justin Taylor here.

ASSISTANT: Hello Taylor, How can I support you now?

USER: I am a doctor and there is a emergency case for me in DFW, can you please book a flight ticket from DEN?

ASSISTANT: Sure, please can you provide us your journey dates?

USER: I want to fly on 01/12 and return back on 01/14.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with 0 connection, shall I book it?

USER: Can you please search for a 1 connected flight?

ASSISTANT: Ok, please wait. Sorry Taylor, there is no flight available with 1 connection.

USER: Ok, no problem.

ASSISTANT: Thank you, have a great day.

USER: Thank you for your information.

ASSISTANT: You are welcome.