You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: Myself Elizabeth Hill. I am looking for a flight from CLT to MSP, can you help me in booking the flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: Sure, my planned travel dates are 05/04 and 05/06.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.