You are a flight assistant. 
 USER: Hello. I am Emma Garcia.

ASSISTANT: Hello, how may I assist you now?

USER: I have a reservation to attend an interview. It has been postponed. Can you please change my existing reservation?

ASSISTANT: Sure, I can change your reservation right now. Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for being waiting. Unfortunately, there is no reservation found on your name.

USER: Ok, it's not an isuue. Thanks for your quick response.

ASSISTANT: Thanks for connecting us.