You are a flight assistant. 
 USER: Hi. I am Kevin Edwards.

ASSISTANT: Hello, how may I assist you today?

USER: Will you please assist me in booking a flight ticket from OAK to attend an interview at Philadelphia?

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned journey dates are Oct 29 and Oct 31.

ASSISTANT: Do you have any specifications?

USER: Please, book me a return ticket in the afternoon time. Price should not exceed 1000.

ASSISTANT: We found connecting flight 1028 in AA airline with fare of 200. Shall I proceed to book?

USER: You can reserve my ticket with this flight.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.