You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel LGA to BOS, can you book the flight ticket to BOS?

ASSISTANT: Sure, may I know the travel dates please?

USER: My travel dates are from 09/30 till 10/02.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: To proceed further, may I know your name please?

USER: Myself Anthony Davis.

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

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Thank you for your help.