You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am George Harris. Can you book a connecting flight in my preferable travel dates Aug, 3 and Aug, 5?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are OAK and DCA.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as Delta airline and flight number 1008. Shall I reserve your ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.