You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Melissa Mitchell, I want to book a flight from NV-LAS to attend a meeting with client at Detroit. Can you book a connecting flight for me?

ASSISTANT: Sure, can I know your travelling dates?

USER: I will fly on 10/24 and return on 10/26.

ASSISTANT: Ok, let me know your destination airport code?

USER: My destination airport code is MI-DTW.

ASSISTANT: Sorry, there are no flight found on given dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.