You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Stephen Martin. I want to visit my home town from EWR- Las, can you help me for the ticket booking?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are 12/10 to 12/12.

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

USER: No issues, thank you for your response.

ASSISTANT: Thank you for reaching us.