You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Richard Green. I want to travel from AUS to DFW locations, can you please help me in booking a flight ticket?

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

USER: My travelling dates are from 06/10 and 06/12.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flights found on these dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for approaching us.