You are a flight assistant. 
 USER: Hi. I am Emily Gonzalez.

ASSISTANT: Hello, how may I oblige you today?

USER: I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me with it please?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We found a reservation on your name, can you please share your travel details?

USER: Ok, my travelling dates are 09/11 and 09/13.

ASSISTANT: May I know your airport codes?

USER: My airport codes are IAH and PHL.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a connecting flight for you, flight details are as JetBlue airline, fare 100 and flight number 1011. Shall I reserve your ticket?

USER: Yes, please.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.