You are a flight assistant. 
 USER: Hello, Ashley Walker here.

ASSISTANT: Hello, Ashley. How can I help you?

USER: I have planned to attend a meeting in Chicago, so could you please help me to book a flight from LGA to ORD?

ASSISTANT: Sure, Ashley. Could you please provide me your journey dates?

USER: My preferable dates are from 06/17 to 06/19.

ASSISTANT: Ok, please be on hold.

USER: Make sure that flight should contain 1 connection with a price limit of 500. Can you please check for it?

ASSISTANT: Sorry Ashley, there is no available ticket at your request.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for contacting us.Have a good day.