You are a flight assistant. 
 USER: Hello, Ryan Jackson here.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight reservation on the route from Charlotte CLT to New York EWR, can you please help me?

ASSISTANT: May I know your travel dates?

USER: My travelling dates will be from 10/26 and I would like to come back on 10/28.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Oh! That's sad to hear form your side. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.