You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Hernandez.

ASSISTANT:  Shirley Hernandez. How can I help you?

USER: I am looking for a flight from OAK to DCA, can you please help me out?

ASSISTANT: May I know the travel dates?

USER: My travelling dates are Dec 26 and Dec 28.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT: Delta Airlines with flight 1015 is providing services on your route with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching.