You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth Harris.

ASSISTANT: How can I help you today?

USER: I am planning to visit Denver, can you please book me a ticket from OAK to DEN?

ASSISTANT: Sure, can you share me your travel dates?

USER: I am planning my journey on the dates of Apr 14 and Apr 16.

ASSISTANT: Do you have any specifications?

USER: I prefer to depart in evening flight.

ASSISTANT: I found a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket is booked.

USER: Please provide flight details.

ASSISTANT: Thank you for reaching us.

USER: Thank you for booking my ticket.

ASSISTANT: Your flight number 1024.