You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from OAK to MSP. Can you find a flight ticket for me?

ASSISTANT: Sure, can you please mention your travel dates please?

USER: Sure, my planned trip dates are on May 22 and return on May 24.

ASSISTANT: Is there any connection preference?

USER: Yes, I need a single connecting flight.

ASSISTANT: Can I know your name please?

USER: Yes, I am Sandra Hill.

ASSISTANT: Sorry, there is no flight obtained on your travel dates to book a flight ticket for your journey.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: You are most welcome and thank you for reaching us.