You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Harris.

ASSISTANT: Harris, how may I guide you?

USER: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, I will help you for that. Let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: Harris, I found your reservation. May I know your airport codes?

USER: My new source airport code is EWR and destination airport code is LAX.

ASSISTANT: When you are willing to travel?

USER: I would like to take off on 06/06 and return on 06/08.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Asper the data I found a flight with UA airlines and the ticket fare is 200 only. Would you like me to proceed?

USER: Please confirm the booking.

ASSISTANT: I confirmed your ticket successfully with  flight number is 1013.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.