You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to change my recent reservation.

ASSISTANT: Sure, I am willing to help you.

USER: Thank you.

ASSISTANT: Can I have your name to check the reservation list?

USER: My name is Patricia Moore.

ASSISTANT: Ok, please stand by.

USER: Ok.

ASSISTANT: Thank you for your time, we found a reservation on your name. Can you please share your new planned travel dates?

USER: My travel dates are from Sept, 24 to Sept, 26.

ASSISTANT: Ok, do you have connection preference?

USER: I need a single connecting flight.

ASSISTANT: Ok, please share your airport codes for further process.

USER: My source airport code is ORD and destination airport code is PHX.

ASSISTANT: Do you have class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please let me know if you have any other preferences.

USER: No, I do not have any preferences.

ASSISTANT: Thank you for your details, we found a flight with number 1008 at a price of 200 with 1 connection in economy class provided by United Airlines. Shall I proceed?

USER: Please proceed.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a good day.