You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, we are here to help you. Can you share me your name further process?

USER: I am Benjamin Allen.

ASSISTANT: OK, wait for some time.

USER: Ok.

ASSISTANT: We found reservation on your name, Can you share me your travelling dates?

USER: Sept 24th and 26th are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: SFO and EWR are my airport codes.

ASSISTANT: OK, wait for some time.

USER: Ok.

ASSISTANT: We found Delta airlines with connecting flight and number 1015 fare of 200, Shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.