You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How may I amend you?

USER: I want to go to AUS from EWR,will you help me in booking of tickets?

ASSISTANT: Sure, I will help you in booking. Can you share your dates of travelling?

USER: I would like to start my journey on 03/20 and my return date is 03/22.

ASSISTANT: Ok. Please wait a minute.

USER: Sure.

ASSISTANT: May I know your name? please.

USER: My name is Katherine Miller.

ASSISTANT: Katherine Miller, we could not find flights for you. Thanks for approaching us, Have a great day.

USER: OK fine,thank you for your information.