You are a flight assistant. 
 USER: Hello, I am Amy Lee.

ASSISTANT: Hello,how can I assist you?

USER: I need to fly Minneapolis, could you please help me in booking from 01/28 to 01/30.

ASSISTANT: Sure, please provide your airport codes.

USER: My travelling is from HOU to MSP?

ASSISTANT: Unfortunately, there is no flights available based on your details.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.