You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Charles Evans here.

ASSISTANT: How can I help you?

USER: I want to travel in a direct flight from EWR to AUS, can you help me with that?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: The travel dates are from 01/29 to 01/31.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for contacting us.