You are a flight assistant. 
 USER: Hi, I am Edwards Davis.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am a police officer and there is a meeting for all the coordinators in mail hall which is in Detroit, so I have to attend the meeting. Can you please help me in booking a flight ticket from EWR to DTW?

ASSISTANT: Sure, I am gleeful to assist you. can you please share your journey dates that you prefer to travel?

USER:  I want to travel on 09/15, and need to catch return flight on 09/17.

ASSISTANT: Ok.Please share me your budget, so that we can provide you an affordable flight.

USER: As, my budget is low I can afford only up to 500.

ASSISTANT: Thank you for providing your details, please wait a minute.

USER: Ok, take your time.

ASSISTANT: Thank you for your time. We are sorry to inform you that we did not find any flights with your details.

USER: That's ok.

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

USER: Thanks for the assistance.