You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Karen Wright here, I want to reserve my ticket from EWR to BOS, can you please help me?

ASSISTANT: Ok Karen Wright, can I have your travel dates?

USER: Sure, my planned dates of journey is from 09/09 to 09/11. I want a flight which is direct for me to travel.

ASSISTANT: Sorry for the inconvenience, there is no flight for you on your route to book your ticket.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Welcome Karen Wright, have a good day.