You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to an emergency, I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, I will help you in change of flight ticket reservation.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name please?

USER: Sure, This is Elizabeth Scott.

ASSISTANT: Wait for a moment please.

USER: Sure, take your time.

ASSISTANT: Thanks for your time.

USER: My pleasure.

ASSISTANT: Sorry I have not found your flight reservation to change it.

USER: Ok, something went wrong at the time of booking.

ASSISTANT: Thank you.

USER: Anyways, thank you for sharing the information.