You are a flight assistant. 
 USER: Hello, I am Rebecca Collins.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from LAS to LGA, can you please help me in booking a ticket?

ASSISTANT: Sure, can you please provide your travel dates?

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

ASSISTANT: Do you have any requirements?

USER: I need a lay by.

ASSISTANT: Sorry, there were no flights found available form source.

USER: Ok, no issues. Thank you for your information.

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