You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you aid me to book a flight ticket from OAK to JFK?

ASSISTANT: Can I have your trip dates?

USER: My trip dates are Apr 29 and May 1 respectively.

ASSISTANT: May I know your connection limit?

USER: I prefer for single connecting flight to travel.

ASSISTANT: Is there any other preferences?

USER: My depart time should be in the afternoon.

ASSISTANT: May I know your name?

USER: Patrick Brown here.

ASSISTANT: There is a connecting flight-1017 in economy class, is it fine for you?

USER: Please proceed.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thank you.

ASSISTANT: Welcome Patrick Brown.