You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Sarah Hall, want to travel from LAX to BOS. Can you please help me?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from 06/30 to 07/02.

ASSISTANT: Sorry, I did not find any flight on your route to reserve your ticket.

USER: It's ok, thank you for your time.

ASSISTANT: Thank you for reaching us.