You are a flight assistant. 
 USER: Hello. My name is Daniel Mitchell.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel to New York to visit central park in JFK, could you help me in booking the ticket from DEN?

ASSISTANT: Sure, please let me know your travel dates.

USER: My preferable dates are from 10/28 to 10/30.

ASSISTANT: I found a flight 1004 of JetBlue airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.