You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: As my meeting with my best friend has been postponed, help me in cancelling my reservation.

ASSISTANT: Sure, we are happy to assist you. May I know your name to check with reservation?

USER: I am Stephanie Carter.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thank you for being waiting. There was no reservation found with your name.

USER: No problem,Thank you for your kind response.

ASSISTANT: Thank you for choosing our service. Have a colourful day.