You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need to travel to Boston, Can you help me in booking flight ticket from SEA to BOS.

ASSISTANT: Sure, I will help you out with that. Can you please share your travelling dates to proceed further?

USER: My travelling dates are 04/24 and 04/26.

ASSISTANT: Please be on hold, let me check the flight availability in this route.

USER: Take your time.

ASSISTANT: Thank you for waiting. Sorry, there are no flights available for you as per your requested travelling details.

USER: That is not an issue, I will choose any other source to travel that place.

ASSISTANT: May I know your name please?

USER: Myself Thomas Young.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.