You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please reserve a flight ticket from OAK to JFK to meet my old friend in New York?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My departure is on May 17 and please book my return ticket on May 19.

ASSISTANT: Do you have any connection preferences?

USER: I will prefer single connection.

ASSISTANT: May I know your name please?

USER: Sure, my name is Ryan Roberts.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: Your are having South West Airlines on this route in economy class and the fare of 100.

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Your reservation is done with flight number 1004.

USER: Thank you for your assistance.

ASSISTANT: Thank you.