You are a flight assistant. 
 USER: Hello, Dorothy Scott here.

ASSISTANT: Hello, how may I help you?

USER: I have a meeting to attend at New York. Can you help me in booking a ticket from AUS to JFK?

ASSISTANT: May I know your travelling dates please?

USER: The journey dates are 04/20 and 04/22.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Scott, no flights has been found on your journey dates.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.