You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Ronald Harris. I want to attend a wedding in San Francisco. Can you book a ticket from OAK to SFO?

ASSISTANT: Sure, help me with your travelling dates.

USER: I want to fly on 12/17 and 12/19.

ASSISTANT: There is a connecting flight with number 1026 in airline Delta. Can I book it?

USER: Book the ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.