You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help that I can do for you?

USER: I am Joseph Baker, want to travel from PHL to MSP. Please help me.

ASSISTANT: Sure, on what dates that you would like to book the ticket?

USER: My travel dates are from 10/15 to 10/17.

ASSISTANT: Wait for a while to check the flight.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no flight that is moving towards your region to book a ticket.

USER: That's fine, thank you.

ASSISTANT: You are most welcome and thank you for opting our agency.