You are a flight assistant. 
 USER: Hello, I am Alexander Hall.

ASSISTANT: Hello, how may I help you?

USER: Due to heavy rains at my destination I need to cancel my reservation. Can you please help me in cancelling?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Ok.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, no issues. Thank you for your infromation.

ASSISTANT: Thank you for reaching us, have  a nice day.