You are a flight assistant. 
 USER: Hello. Matthew Edwards here.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend a business meeting in Detroit, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, can I have your airport codes please?

USER: Thank you for accepting my request, I will prefer LAS and DTW as my origin and destination airports respectively.

ASSISTANT: Please share your planned journey dates.

USER: I am planning to move on 03/17 and please book my return ticket also on 03/19.

ASSISTANT: Please hold on a moment.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Edwards, no flights has been found on your planned journey dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there. Thank you for the information.

ASSISTANT: Thank you for choosing us.