You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Rachel Rodriguez.

ASSISTANT: Rachel, how may I aid you?

USER: I am planning this weekend to travel Boston. Can you please help me in booking the ticket from LAS to BOS?

ASSISTANT: May I know your itinerary dates?

USER: I will drop-off 10/25 and again I will be return back on 10/27.

ASSISTANT: Please hold on for a while.

USER: Sure, I will wait for your response.

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

USER: Not a big deal, anyhow thank you very much for your service.

ASSISTANT: Thank you for reaching us.