You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Prepone plan came into a picture owing to announcement of birth of baby. Can you please help me to cancel my reservation?

ASSISTANT: Sure, can I have your name please?

USER: My name is Samuel Edwards.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flight reservation found with your given name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for opting us.