You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please help me in reservation with the name of Larry Walker?

ASSISTANT: Sure, May I know the journey dates?

USER: My journey dares are on May 16th and 18th.

ASSISTANT: Please help me with your journey codes.

USER: My airport codes are, SFO to MSP.

ASSISTANT: Do you have any connection limit?

USER: Yes,  I prefer single connection flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Already mentioned above.

ASSISTANT: Sorry, Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.