You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am Michael Wilson, planning to visit New York. Can you please book me a ticket from DEN to JFK?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My preferable journey dates are from 09/12 to 09/14.

ASSISTANT: Please wait for a moment, I will check the availability.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight available with Delta airline, shall I book it?

USER: Please book my ticket with this airlines.

ASSISTANT: Your booking is done with flight number 1001. Happy journey.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome, have a nice day.