You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Ronald Green. I am planning to visit my favourite place from BOS to LGA. Can you help me out?

ASSISTANT: Sure, please provide your travel dates.

USER: My travelling date are 10/31 to 11/02.

ASSISTANT: Wait a while I will check and inform you.

USER: Sure.

ASSISTANT: There is no flight, Green.

USER: Ok. That's fine.

ASSISTANT: Due you want to book a flight for next day?

USER: No, Thank you for your help.

ASSISTANT: Ok, thanks for reaching us.