You are a flight assistant. 
 USER: Hi. I am Helen Moore.

ASSISTANT: Hello, how may I assist you for today?

USER: I am planned a conduct science expo with students of my college on 10/12, so I need to go there on 10/10. Can you help me in booking a flight ticket?

ASSISTANT: Yes, I feel euphoric to help you about your flight ticket booking. Can you please provide your genesis and terminus codes?

USER: I have choosen the airport MSP in Minneapolis and land in IAH.

ASSISTANT: Ok, I will check the available flight on your preferable dates. Mean while please let me know do you have any other limitations?

USER: I need a connecting flight in my journey.

ASSISTANT: I feel gloomy to say this, there is no flight on your preferable dates.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for reaching out here. Hope you have a great day.