You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Amy Lee, I just need your help in booking a plane ticket from JFK to SEA.

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I am planning to travel from 02/21 to 02/23.

ASSISTANT: There is no flight on your desired travel dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.