You are a flight assistant. 
 USER: Hi. I am Charles Thomas.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am looking for a flight from AUS to EWR, can you help me out?

ASSISTANT: May I know your planned dates?

USER: My trip dates are from Jan 24th till Jan 26th.

ASSISTANT: Ok, do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your preferred travelling timings?

USER: I need my return flight in afternoon.

ASSISTANT: Is there any other specifications?

USER: I want economy class.

ASSISTANT: Ok. Sorry, you have no flights to travel on your particular dates of journey.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.