You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from IAH to MSP?

ASSISTANT: Sure, may I know the journey dates?

USER: My planned travel dates are Dec, 10 and Dec, 12.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: Is there any other requirements?

USER: No, thank you.

ASSISTANT: May I know your name?

USER: Jacob Baker here.

ASSISTANT: Sorry, no flights found with your preferable dates.

USER: That's ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for the information.