You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Mitchell here.

ASSISTANT: Yes Sarah, in which way I can be your helping hands?

USER: As I am in an emergency to travel Las Vegas due to my relative met with an accident so I want to have a direct flight to reach out there as early as possible. I have searched lot of agencies to book a direct flight, finally I heard that your agency is one of the best to provide such type of flights who are in an emergency to reach their destination points on which they are looking for.

ASSISTANT: Yes, what you have heard about our agency is true. We are happy to help you on which requirements you are looking for.

USER: That sounds good, I am with the perfect agency for my booking.

ASSISTANT: Yes, I can help you with that. I want some basic details of your journey from where you would like to board and takeoff ?

USER: Thank you for considering my query, I would like to board from Chicago, IL - ORD and I want to takeoff from Las Vegas, NV - LAS.

ASSISTANT: Ok, please provide on which date you are willing to reach there.

USER: I am willing to reach there on 02/18.

ASSISTANT: Ok, please let me know on which day you would like to return?

USER: I would like to return back on 02/20.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure have your time.

ASSISTANT: Sorry, there are no flights found.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for choosing us.