You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Rebecca Martin. Due to some business meeting, I am going to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, wait a minute.

USER: Ok, I will wait for your response.

ASSISTANT: There was no reservation found on your name.

USER: Not a big deal, anyhow thank you very much for your service.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.