You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Betty King here. I am planning to visit Walt Disney's Kingdom in MCO, can you help me in booking a ticket from BOS?

ASSISTANT: Sure, please provide your planned dates to found a flight for you.

USER: My planning dates are from 05/03 to 05/05.

ASSISTANT: Sorry, there is no flight for you according to your information.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Ok, thanks for consulting us.

USER: You are welcome.