You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in changing my recent reservation? As I'm unable to catch the flight right now.

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Sure, my name is Lisa Moore.

ASSISTANT: Please allow me a minute.

USER: Sure, I'll wait for your response.

ASSISTANT: I have found reservation. Please help me with your airport codes.

USER: Sure, my source and destination airport codes are OAK and BOS.

ASSISTANT: Please help me with your planned travelling dates.

USER: My planned departure and return travel dates are 1st and 3rd of September.

ASSISTANT: Please help me with your preferred class to fly.

USER: I prefer economy class to travel.

ASSISTANT: Do you need a break in your journey?

USER: I'm looking for single connected flight.

ASSISTANT: Please allow me a minute.

USER: Sure.

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

USER: That's fine, you can proceed for booking.

ASSISTANT: I have booked your ticket in flight-1000. It departs at 11:00 hours and arrives at 14:00 hours.

USER: Thank you so much for your help.

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