You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Yes, I can help you. Can I know your dates of travel?

USER: My travel dates are from 11/07 till 11/09.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no flights found on your requested dates. Can I know your name?

USER: That's ok, no problem. Myself Charles Evans.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for your help.