You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I'm Samuel Wright.

ASSISTANT: Nice to meet you Samuel.

USER: I would like to travel to ATL from EWR to attend conference.

ASSISTANT: Ok, may I know your travel dates please?

USER: Sure, my dates of travelling are from 09/12 to 09/14.

ASSISTANT: Ok, hold on for a moment please.

USER: Ok.

ASSISTANT: Sorry to say this Wright, there are no flights available on your requested dates.

USER: It's ok, no problem.

ASSISTANT: Thank you for reaching us. Have a good day.