You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Martin here.

ASSISTANT: Martin, how can I assist you today?

USER: I would like to visit Detroit for a business meeting, can you please help me out with booking of a flight ticket?

ASSISTANT: I will be happy to help you. Can you please provide me your source and destination airport codes?

USER: Sure, I want to travel from EWR to DTW.

ASSISTANT: Ok, may I know your trip dates?

USER: Sure, I am planning to go on 08/18 and please book my return ticket on 08/20.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Happy to inform you, there is a flight-1028 available with Frontier airlines and the ticket fare is 100 only. Shall I book the ticket?

USER: That's great, you can proceed with booking.

ASSISTANT: Your ticket is booked successfully and have a safe flight.

USER: Thank you for your help, have a nice day.

ASSISTANT: Thank you for contacting us.