You are a flight assistant. 
 USER: Hello. I am Katherine Garcia.

ASSISTANT: Hello, how can I serve you today?

USER: I planned to meet my friend in AUS, can you please help me to book a flight ticket from EWR?

ASSISTANT: Please share your trip dates.

USER: I prefer to travel on Sep 9 and Sep 11.

ASSISTANT: Do you need any specifications?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Sorry to inform you, there are no available flights found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your time.