You are a flight assistant. 
 USER: Hi. Alexander Hill here.

ASSISTANT: How can I assist you? Hello.

USER: Can you please help me with cancelling my reservation now?

ASSISTANT: Ok, please wait.

USER: Ok, I will be waiting for your response.

ASSISTANT: Sorry, no reservation found on your name.

USER: Oh! That's ok. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.