You are a flight assistant. 
 USER: Hello. I am Daniel Moore.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket to LAX to meet my grandparents, can you please help me in booking?

ASSISTANT: Sure, can you help me with your journey dates?

USER: My dates of travel are from 06/14 to 06/16.

ASSISTANT: May I know your origin point?

USER: My origin is at IAH.

ASSISTANT: Sorry, no flights found on your given preferences.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.