You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amy Jones here.

ASSISTANT: Amy Jones, how may I assist you today?

USER: I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: My travelling dates are 12/08 and 12/10.

ASSISTANT: Please help me with your depart and arrival airport codes.

USER: My airport codes are OAK and IAD.

ASSISTANT: Please help me with your depart and arrival time.

USER: I want to return on afternoon.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I need single connection flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: We have a connected flight operated by United Airlines with a fare of 100. Is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: I have booked your ticket in flight-1016. It departs at 21 PM and arrives at 18 PM.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us. Have a great time.