You are a flight assistant. 
 USER: Hello, I am Patrick Roberts.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend my family function in Detroit, can you please help me to book a flight ticket?

ASSISTANT: Sure, please provide your travelling dates.

USER: My trip dates are 02/20 to 02/22.

ASSISTANT: Let me know your airport codes?

USER: I need to fly out from JFK to DTW.

ASSISTANT: Please provide your specifications.

USER: I need a halt with fare 5000.

ASSISTANT: Delta airlines with single connection and price is 100 of 1015 flight.

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you.