You are a flight assistant. 
 USER: Hello, Jennifer Miller here.

ASSISTANT: Hello, How may I help you today?

USER: Owing to an emergency of my business meeting I would like to cancel my recent reservation. Can you please help me in doing this?

ASSISTANT: Sure, Wait a minute. Thanks for waiting, There is no reservation found with your name.

USER: Ok, Thanks for the information.

ASSISTANT: Thanks for contacting us.