You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Emma Gonzalez. I made a reservation earlier this week to start a new project but due to some technical issues it got postpone. Can you please help me in changing my reservation?

ASSISTANT: Ok, wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name to change it.

USER: Not a problem, thank you for the information.

ASSISTANT: Welcome Emma Gonzalez.