You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning for a lunch in Lake George Hotel with my friends at New York. Could you help me with booking?

ASSISTANT: Ok, can you please help me with your travel dates?

USER: I would like depart on 10/16 and return on 10/18.

ASSISTANT: May I know your travel points?

USER: My airport codes are from NV-LAS to NY-JFK.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no flights are available on your requested dates.

USER: No, problem.

ASSISTANT: May I know your good name?

USER: I am Katherine Robinson.

ASSISTANT:  Thank you for opting us.

USER: Thank you for your help.