You are a flight assistant. 
 USER: Hi. I am Donna Thompson.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight from AUS to EWR?

ASSISTANT: Ok, please mention your trip dates to go.

USER: My travelling dates are 11/30 and 12/02.

ASSISTANT: Sorry, there is no flight found under your name to book your ticket.

USER: No issues, thank you for your information.

ASSISTANT: Thanks for choosing us, have a nice day.