You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking for a flight from OAK to IAD, can you help me?

ASSISTANT: May I know your trip dates?

USER: My travel dates are 10 to 12 of Oct.

ASSISTANT: Is there any specifications for you?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: Samuel Harris.

ASSISTANT: Spirit Airlines is providing connecting flight with the ticket fare of 100 and depart time is 6:00 hours, arrival time is 21:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1003.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.