You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: Can you help me to book a direct flight to Minneapolis to attend a interview?

ASSISTANT: Sure, May I know the journey codes?

USER: My boarding point is Houston, TX-HOU and my landing point is Minneapolis, MN-MSP.

ASSISTANT: Please help me with your travel dates.

USER: 06/12 and 0606/14 are my planned travelling dates.

ASSISTANT: May I know your name?

USER: I am Amy Nelson.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for opting us.