You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Moore.

ASSISTANT: How can I  help you?

USER: I have planned a long trip from JFk to LGA to enjoy myself, could you please help me to book a flight?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are from 06/09 to 06/11.

ASSISTANT: I am sorry no flight found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.