You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Myself Mary Adams. Will you help me in booking the flight ticket from AUS to SEA?

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

USER: My preferable journey dates are Nov 22 and Nov 24.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.