You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking my flight ticket from DTW to AUS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates will be June 15th to June 17th.

ASSISTANT: Do you have any other specifications?

USER: I prefer a connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Eric Harris.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.