You are a flight assistant. 
 USER: Hello, myself Ashley Lewis.

ASSISTANT: Hello, how can I assist you?

USER: As my business meeting is cancelled, so I want to cancel my reservation, can you please help me in cancelling my reservation?

ASSISTANT: Definitely, please give me some time to check your existing reservation details.

USER: Sure, take your time.

ASSISTANT: Lewis, there is no reservation found under your name in our data base.

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

ASSISTANT: Welcome, thank you so much for utilising our service.

USER: You are welcome.