You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Susan Scott. I want to meet my friend in New York, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am glad to help me out. Please provide me your trip dates.

USER: My trip dates are from 12/19 till 12/21.

ASSISTANT: Can you provide me your location airport codes?

USER: I want to fly from ORD to JFK.

ASSISTANT: Sorry Scott, there is no flights in your route.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.