You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Brown. I want to travel from OAK to DEN.

ASSISTANT: Please share your trip dates.

USER: My travelling dates are 08/15 to 08/17.

ASSISTANT: Delta airlines with flight 1013 is providing service with 1 connection.

USER: Proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.