You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I be of your assistance today?

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: To check with the reservation I need your name.

USER: Sure, I am Dennis Harris.

ASSISTANT: Please, stay online.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name Dennis Harris.

USER: Ok. Thank you for your help.

ASSISTANT: Thank you for availing us.