You are a flight assistant. 
 USER: Hello, I am Donald White.

ASSISTANT: Hello. How may I help you?

USER: To explore Nature I would like to travel some places in Houston, TX-HOU. Can you please help me in booking a ticket from Minneapolis, MN-MSP?

ASSISTANT: Sure, please let me know your travelling dates.

USER: My travelling dates are from 01/28 to 01/30. I need a connecting flight. And my price limit is 1000.

ASSISTANT: Sorry, there was no flight available with your requirements.

USER: Ok, no issues. Thanks for your valuable information.

ASSISTANT: Thanks for contacting us.