You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Brooklyn Bridge with my close friend, please help me in booking a ticket from ATL to LGA.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travel dates are 12/06 and 12/08.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Sorry, I did not find any flights on your route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: May I know your name?

USER: My name is Andrew Thompson.

ASSISTANT: Thank you for choosing us.