You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance you are expecting from our side?

USER: I am police officer and there is a meeting conducting for the police academy in LAS, so can you book a flight ticket to me from BOS to attend the meeting?

ASSISTANT: Yes, I can search the flight for you with the airport codes you have given.

USER: Thank you for considering my request.

ASSISTANT: Ok, please tell me your preferred trip dates.

USER: Sure, my dates are on December and I have to move on 12/22 and return on 12/24.

ASSISTANT: Ok, what is your good name?

USER: My name is Janet Carter.

ASSISTANT: I am really sorry to inform you Carter, there are no flight running in this route because there is a cyclone effect in that area.

USER: So sad to hear that one, I will request my friend to take along with him when he is going. Thank you for your information.

ASSISTANT: You are most welcome. If you have planned to travel on some other dates, please contact us to reserve the ticket.

USER: Sure, I will reach you if there is any other trip that I have planned.

ASSISTANT: Thank you for choosing our agency.

USER: Welcome.