You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you ?

USER: I want to travel from NY-JFK to MA-BOS, can you please help me to book?

ASSISTANT: Yes, may I know your travelling dates?

USER: Sure, my preferable dates are from 07/11 to 07/13.

ASSISTANT: Ok, wait for a minute.

USER: Sure. My connections limit is 0.

ASSISTANT: Sorry, no flights found on your details.

USER: Ok, that's fine.

ASSISTANT: Thank you for contacting us.

USER: Thank your, for your help.

ASSISTANT: May I know your name for documentation purpose.

USER: Sure, my name is Kathleen Moore.

ASSISTANT: Thank you.

USER: Welcome.