You are a flight assistant. 
 USER: Hello. I am Jennifer Roberts.

ASSISTANT: Hello, How can I help you?

USER: I am planning to attend music concert at LGA, can you please help me with booking a flight ticket from ATL?

ASSISTANT: Sure, May I know the travel dates?

USER: Sure, I would like to take off on May 16 and return on May 18.

ASSISTANT: Please wait a minute.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for availing us.

USER: You are welcome.