You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from MSP to BOS. Please help me in booking my ticket.

ASSISTANT: On which dates you are willing to travel?

USER: Sure, my travelling dates are from 03/08 to 03/10.

ASSISTANT: Sorry, on this dates no flights are available. May I know your name?

USER: My name is Christine Moore.