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

ASSISTANT: Hello, how may I aid you?

USER: I need your help in booking of a flight ticket from JFK to DTW for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I am planning to move on 05/04 and please book my return ticket on 05/06.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: Oh! So sad to hear. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.