You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth King.

ASSISTANT: King, how may I help you?

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

ASSISTANT: Sure, please share your itinerary dates.

USER: I am planning to depart on 12/10 and would like to return on 12/12.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airlines with flight 1016 is available on your route.

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.