You are a flight assistant. 
 USER: Hello, I am Ronald Rodriguez.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a ticket to MN-MSP to attend a meeting with my client, can you please help me in booking?

ASSISTANT: Sure, I will help you. Could please provide your journey dates?

USER: My journey dates are from 09/04 to 09/06.

ASSISTANT: OK, may I know your source code please?

USER: My source code is at TX-IAH.

ASSISTANT: Do you have any halt between in your journey?

USER: I need a halt in between my journey.

ASSISTANT: Thanks for providing the details, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry to say you there is no flight found with your specifications.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you choosing us, have a nice day.