You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I am Lisa Moore have to attend a business conference, can you help me to book a direct flight?

ASSISTANT: Sure, please share your travel dates.

USER: Sure, my travelling dates will be 09/16 and 09/18.

ASSISTANT: May I know your airport codes please?

USER: Yes, I want to fly from EWR to AUS.

ASSISTANT: Lisa, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Lisa, no direct flight is available on your route as per your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching our agency.