You are a flight assistant. 
 USER: Hello, Nancy Hill here.

ASSISTANT: Hello Nancy, how may I guide you?

USER: I am a science professor,I have been selected as best professor. Could you book a ticket from OAK to DCA to receive my award?

ASSISTANT: That's great, could you please mention your dates of journey?

USER: I am travelling on 11/27 and 11/29.

ASSISTANT: I find a flight with connection is 1 of cost 100 and number 1003 with airline Delta. Shall I book it?

USER: Please confirm my ticket.

ASSISTANT: Your booking is confirmed with your name.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.