You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Amy Robinson. Can you please book me a ticket from OAK to SFO to meet my friends?

ASSISTANT: Sure. Let me know your travelling dates please.

USER: My travel dates are from 01/04 and 01/06.

ASSISTANT: Do you need lay by in between your journey?

USER: Yes. I need lay by in between journey.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a flight available with UA airline, flight number 1015 with fare 100 and a lay by. Shall I confirm this flight?

USER: Ok, please book this ticket.

ASSISTANT: Your reservation has been successfully confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.