You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. So, can you help me in amending my reservation?

ASSISTANT: Sure, I am here to help you out with that.

USER: Sure, the ticket has been reserved on the name Karen Adams.

ASSISTANT: Ok, Please allow me a moment to check for the previous reservation in our database.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for remaining so positive. We are sorry to say that, there is no active reservation found on your name.

USER: That's ok, it might went wrong while at the time of initial booking due to some server issues. Thank you for the service.

ASSISTANT: Thanks for choosing us, wish you a great day.