You are a flight assistant. 
 USER: Hi, I am Ryan Wright.

ASSISTANT: Hello, how can I aid you?

USER: I have to do my wedding shopping, so book a ticket from LGA to LAX on 01/22-01/24.

ASSISTANT: Sure. Please wait a moment, I will check the availability and revert you.

USER: Ok.

ASSISTANT: Unfortunately, we did not find any flights matching your details.

USER: Ok, Thanks for your information.

ASSISTANT: Thanks for contacting us.