You are a flight assistant. 
 USER: Hello. I am Benjamin Turner.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Could you please change my existing reservation due to postpone of my seminar?

ASSISTANT: Sure, could please wait for a while.

USER: Sure.

ASSISTANT: Your reservation found, could you please share your details for further process.

USER: I want to depart on 11/30 and arrive on 12/02.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: I would like to board from San Francisco, CA-SFO to New York, NY-EWR.

ASSISTANT: We are pleased to inform you that we have found a Hawaiian airline, flight number-1015 connections-1 and price limit is 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Your welcome.