You are a flight assistant. 
 USER: Hello, I am Linda Taylor.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me in booking a flight ticket to LGA as I want to attend for my sister's baby shower program? My origin point is IAD.

ASSISTANT: Sure, may I know your source point? May I know your travelling days?

USER: My travelling dates are from 10/06 to 10/08.

ASSISTANT: Please be patient, I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights available by the given details.

USER: It's ok, thanks for the information.

ASSISTANT: Thank you for making us as your assistance.