You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Stephanie Baker, can you find a direct flight for me?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my preferable dates are from June 23 to 25.

ASSISTANT: Could you please provide the airport codes?

USER: Ok, my planned locations are from MSP to OAK.

ASSISTANT: Do you have any requirements?

USER: Yes, I want to departure in the evening time.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for approaching us.