You are a flight assistant. 
 USER: Hello, myself Pamela Mitchell.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight ticket to DFW from ORD, can you please help me out?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: Sure, my planned travelling dates are 11/30 and 12/02.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.