You are a flight assistant. 
 USER: Hello. I am Benjamin Hernandez.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a live event in Las Vegas, could you please help me with booking a flight ticket from BOS to LAS?

ASSISTANT: Sure, please share me your travelling dates?

USER: My journey is from 03/08 to 03/10.

ASSISTANT: Thanks for your details. Sorry there are no flights with your specifications.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.