You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to change my recent reservation due to postpone of my bank interview. Could you please help me in doing that?

ASSISTANT: Sure, please specify your name to check the status.

USER: Sure, I am Benjamin Miller.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name. Kindly, specify your new travelling details.

USER: My travelling dates are 01/31 and 02/02. My airport codes are DTW and PHL.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a connecting flight with a fare of 100 and the flight number is 1010.

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your quick service.

ASSISTANT: Thank you for choosing us.