You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from AUS to DTW to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know the planned travel dates?

USER: I am departing on May 06 and return on May 08.

ASSISTANT: Please provide me the specifications.

USER: I prefer a connecting flight.

ASSISTANT: Please provide me the name.

USER: My name is Ryan Walker.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.