You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Kimberly Thompson. Can you please reserve me a flight ticket from MSP to IAH?

ASSISTANT: Sure, I will try my best and can I know your preferable travel dates?

USER: My preferable travel dates are from Dec 27th to Dec 29th.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: Yes, I want to return and depart in the afternoon. I want a normal-cost airline.

ASSISTANT: Please allow me a moment.

USER: Make sure that I want a connecting flight.

ASSISTANT: I regret to inform you that there is no flight found on your journey dates to book a flight ticket.

USER: Ok, no problem. Thank you.

ASSISTANT: You are most welcome and have a nice day.