You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to change my existing reservation due to bad weather condition, can you please help me with that?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: My name is Ruth Clark.

ASSISTANT: Thank you very much. Please wait for a while, let me check your reservation status in our database.

USER: Sure.

ASSISTANT: I'm happy to inform you that I have found a active reservation on your name. May I know your travel dates?

USER: I want to fly on July 28, return on July 30.

ASSISTANT: Do you need any layover in between  journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I want economy class flight ticket.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are DTW and IAH.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Ok, proceed to booking.

ASSISTANT: Your booking is confirmed and the flight number is 1017 in AA airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.