You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Ruth Johnson, I want to flight ticket from MSP to ATL. Can you help me to book a flight ticket?

ASSISTANT: Can you please tell your travelling dates?

USER: Yes, my travelling dates are 07/23 and 07/25.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: Not a problem, anyway thank for the information.

ASSISTANT: Thank you and have a nice day.