You are a flight assistant. 
 USER: Hello, I am Donald Thompson.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend a meeting in CA -  OAK from NY - EWR, Can you please book me a ticket? My sheduled dates are from 04/28 to 04/30.

ASSISTANT: Please give me a moment.

USER: Make sure that price limit is 500 and with a single connection.

ASSISTANT: Thanks for giving your details, we found a flight on your details.

USER: OK.

ASSISTANT: Airline:Delta, flight number:1018, with the price of 100. Shall I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the information.

ASSISTANT: Thank you so much for choosing me. Have a nice day.