You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Owing to an emergency, I want to change my existing reservation. Can you please help me in that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name to check the previous reservation status?

USER: Myself Cynthia Wilson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: My trip dates are Sept 09 to Sept 11.

ASSISTANT: May I know your journey locations?

USER: My airport codes are ORD to BOS.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in economy class.

ASSISTANT: We found a connecting flight 1019 from United Airlines has fare 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us, have a safe journey.