You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to go to LAX from LGA, so please help me to book a flight ticket.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 06/08 and 06/10.

ASSISTANT: Ok, wait for a minute. May I know your name?

USER: My name is Linda Collins.

ASSISTANT: Sorry, no flight's found on your details.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.