You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning my 2 days vacation that is from 10/11 and 10/13 for a trip with friends. So, can you book me a flight ticket for me?

ASSISTANT: Sure, Can I know your location?

USER: My current location is Los Angeles, CA - LAX.

ASSISTANT: Your destination location please.

USER: My destination location of the journey is Detroit, MI - DTW.

ASSISTANT: Ok. Wait a minute. Can I know your name?

USER: Myself Virginia Parker.

ASSISTANT: Ok. Mr. Parker, there is no flight with these location.

USER: So sad, that's ok I will have my journey with another alternative process.

ASSISTANT: Thank you to visit here. Please come again.

USER: Sure, thank you for your service.