You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are 03/19 an 03/21.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Please mention the name for the process.

USER: Myself Elizabeth Harris.

ASSISTANT: There is no flights found under your preferable details.

USER: Ok, fine. Thank you for checking.

ASSISTANT: Welcome, have a great day.