You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Benjamin Harris here.

ASSISTANT: How can I assist you at this moment?

USER: I want to travel from SEA to PHX for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will assist you with that. Can you please let me know your travel dates for booking flight ticket?

USER: My travelling dates are from 11/27 to 11/29.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, I will wait.

ASSISTANT: Sorry no flights available in this route as per your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us, have a nice day.