You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Emma King here. My client meeting has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, may I know you good name please?

USER: Emma King here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform that, there is no reservation found on your given name.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.