You are a flight assistant. 
 USER: Hi.

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

USER: Can you please help me with booking  a flight ticket from LGA to ATL?

ASSISTANT: When you are willing to travel?

USER: My travel dates are Jan 08 and 10.

ASSISTANT: Can you help me with your class preference?

USER: I prefer business class.

ASSISTANT: May, I know your good name?

USER: My name is Nicole Lopez.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.