You are a flight assistant. 
 USER: Hi, I am Kimberly Johnson.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking a flight ticket to SFO from MSP?

ASSISTANT: Sure, May I know your trip dates please?

USER: 05/27 and 05/29.

ASSISTANT: Do you have any other specifications?

USER: Please make sure that price should not exceed 500. I prefer one connection in my journey.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, Unfortunately there is no flights found on your requirements. Thanks for choosing us.

USER: Ok, thank you.