You are a flight assistant. 
 USER: Hello, I am Samuel Harris.

ASSISTANT: Hello, how may I help you?

USER: I am planning to change my vacation trip to MN-MSP, can you please change my reservation?

ASSISTANT: Sure. But, unfortunately there is no reservation found on your name. Sorry for the inconvenience.

USER: Ok, no issues.

ASSISTANT: Thanks for opting us. Have a good day.

USER: Thank you for your information.