You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to change my reservation, can you please help me with that?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed?

USER: Debra Thompson here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We have found a reservation on your name, kindly mention your new airport codes?

USER: My airport codes are ATL to DEN.

ASSISTANT: May I know when you are willing to travel?

USER: I want to travel in June from 11th to 13th.

ASSISTANT: Do you have any specifications to be met?

USER: I want a single connecting flight.

ASSISTANT: Can I have your name?

USER: Already mentioned above.

ASSISTANT: We have found a connected flight of American airlines, flight number-1000 class-economy and fare is 100. Would you like me to proceed?

USER: Yes, proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.