You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel CA - OAK with my friends for one of my friend's wedding on 04/13.

ASSISTANT: Please may I know the nearest airport and your travel date?

USER: My nearest airport is PA - PHL and want to return back from OAK on 04/15.

ASSISTANT: Please wait a while, let me check is there any flight available or not.

USER: Ok.

ASSISTANT: Flight-1022 with United Airline is available, is it ok for you?

USER: Ok, provide me price and connection limit.

ASSISTANT: There is a flight with single connection with fare 100.

USER: Ok, book it for me.

ASSISTANT: May I know your name please?

USER: I am Debra Lewis.

ASSISTANT: Ticket has been booked, Debra.

USER: Thank you for the information.

ASSISTANT: Thanks for reaching us.