You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning my trip to visit Phoenix this weekend. Can you please help me in reserving the ticket from OAK to PHX?

ASSISTANT: Sure, let me know your trip dates please?

USER: I am willing to take-off Apr 10, and again I will return back on Apr 12.

ASSISTANT: Do you have any airline preference?

USER: I would like to travel in normal-cost.

ASSISTANT: May I know your connection limit?

USER: I am comfort with single connection.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Ok, can I know your name please to proceed further?

USER: Myself Ryan Parker.

ASSISTANT: Delta airlines is providing connecting flight with the ticket fare of 200 and depart time is 16:00 PM, arrival time is 13:00 PM. Shall I proceed?

USER: Please go ahead and reserve the ticket.

ASSISTANT: your ticket has been confirmed by flight number 1002 and an economy class.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thanks for approaching us.