You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Karen Garcia. I need to schedule my trip to visit Oakland. Can you please help me in reserving the ticket from MSP to OAK?

ASSISTANT: Sure, I will help you. May I know you depart and arrival dates?

USER: I am planning my trip on Apr 29, and again I will return back on May 01.

ASSISTANT: Can I have your connection limit?

USER: I am flexible with single connection.

ASSISTANT: Do you have any other requirements?

USER: My return time is afternoon.

ASSISTANT: Please, wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: Not a big issue, anyhow thank you very much for your service.

ASSISTANT: Thank you for choosing us.