You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffery Lopez.

ASSISTANT: What help that you need from our agency?

USER: I would like to book a ticket from DTW to BOS, can you please help you out?

ASSISTANT: Ok, I am gleeful to help you in that plane ticket reservation. May I know your travelling dates?

USER: I am travelling on these dates 11/05 and 11/07.

ASSISTANT: Give me some time to search for a flight to reach your destination.

USER: Sure.

ASSISTANT: Sorry for the trouble, no airlines is providing a flight for you to reach your destination on the trip dates that you have mentioned.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are most welcome and thank you for approaching us.