You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Kathleen young here. I have a meeting in Seattle, can you help me to book a flight ticket from LAX to SEA?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to take off on 09/17 and return on 09/19.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say, no flights were found on your route.

USER: It's ok, not an issue.

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