You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best support you?

USER: I am Jennifer Clark, I would like to change my reservation as my interview  has been postponed.

ASSISTANT: Sure, I am here to help you. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your patience. There was no reservation found on your name.

USER: Not an issue, thank you for your assistance.

ASSISTANT: Thank you for consulting our agency.