You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Anna Robinson. I would like to book a flight ticket from JFK to EWR, could you please help me?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my journey dates are 01/16 and 01/18.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.