You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Green.

ASSISTANT: Paul, how may I help you?

USER: Can you book a flight ticket from SEA to EWR?

ASSISTANT: Sure, please share your itinerary dates.

USER: Thank you and my dates are on 01/14 and arrival back on 01/16.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, that's fine, no issue with that one, thank you for your help.

ASSISTANT: Thank you for contacting us.