You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: I am departing on Nov 16 and return on Nov 18.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight with economy class.

ASSISTANT: May I know your name please?

USER: My name is Christopher Gonzalez.

ASSISTANT: Do you have any specifications?

USER: I do not have any other specifications.

ASSISTANT: I am sorry to say that there is no flight found under your details.

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

ASSISTANT: Thank you for reaching us.