You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Eric Hernandez. I would like to travel from AUS to IAD, could you help me out?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My preferable dates are from 10/13 to 10/15. Please check for 1 connection.

ASSISTANT:  Sorry, there is no flight available on your request.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.