You are a flight assistant. 
 USER: Hello. I am Carol Young.

ASSISTANT: Hello, How can I help you?

USER: To attend the celebrations of Inauguration Day on 01/20, I am planning to travel to Las Vegas, LAS. Can you please reserve me a flight ticket on 01/19 to reach my destination?

ASSISTANT: Sure. From where you want to start your journey?

USER: I want to start my journey from Detroit, DTW.

ASSISTANT: Kindly, share your return date.

USER: My return will be on 01/21.

ASSISTANT: Thanks for your details, Please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There are no flights found on your data.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you.