You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Linda Williams. Can you help me in booking a connecting flight from LGA to LAX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My preferred travel dates are 09/21 and 09/23.

ASSISTANT: Please wait for a moment. Sorry, we found no flights on your given dates.

USER: That's ok, no problem. I will find another source to reach my destination.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.