You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Kathleen Anderson. I am planning to travel from CLT to ORD to meet my uncle, can you help me in booking?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: I am departing on 05/14 and return on 05/16.

ASSISTANT: Sorry Anderson, there is no flight in your route.

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

ASSISTANT: Thank you for reaching us.