You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I made a reservation earlier to attend business meeting but due to technical problem it got postponed, can you please help me with changing my reservation?

ASSISTANT: Sure, may I know your name?

USER: My name is Jerry Taylor.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

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

ASSISTANT: Thanks for opting us.