You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I want attend my grand mother funeral in IL - ORD, will you help me in flight booking?

ASSISTANT: Shall I assist you in booking flight ticket ? Please provide travelling details ?

USER: Sure, My origin source from MA - BOS, and my travelling dates are from 10/30 to 11/01.

ASSISTANT: Any ticket price limit ?

USER: I want single connection with price limit 1000.

ASSISTANT: May I know your name ?

USER: My name is Kathleen Turner.

ASSISTANT: Sorry to inform you that there is no flight available.

USER: Ok, thank you, for your service.

ASSISTANT: Thanks.