You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Clark here.

ASSISTANT: How can I render you Clark?

USER:  I need to have a flight ticket reservation for my journey to DFW for having a seminar over there. Can you please help me in booking my flight ticket from AUS?

ASSISTANT: Sure, I can help you with that. Can you please provide me your planned travel dates?

USER: Sure, my travel dates are from 11/08 to 11/10.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: As per your details, there are no flights available for you on those dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you so much for opting us.