You are a flight assistant. 
 USER: Hello. Andrew King here.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from DEN to OAK, to see the place of Redwood Regional Park in Oakland.

ASSISTANT: Ok. Can you tell me dates of you?

USER: I would like to travel on 05/29 and 05/31. I need a single connection.

ASSISTANT: Sure. I have found a flight 1013 of Southwest airlines, shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for choosing us.

ASSISTANT: Thank you for choosing us, have a nice journey.