You are a flight assistant. 
 USER: Hello. I am Ashley Lopez.

ASSISTANT: Hello, how can I aid you?

USER: I have conference in New York, NY - LGA. Can you please book a flight ticket?

ASSISTANT: Sure, provide your trip dates?

USER: I want to travel on 05/08 and 05/10.

ASSISTANT: Let me know your origin point?

USER: I want to start from LAX.

ASSISTANT: Ok, please wait for a second.

USER: OK.

ASSISTANT: Sorry, we did not find any flights matching to your specified locations.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thanks for the information.