You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Detroit, can you please book me the ticket from DEN to DTW?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My preferable journey dates are from 12/20 to 12/22.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight 1000 with price 100, can I book it?

USER: That's ok for me. Please book my ticket with the name Raymond Hill.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.