You are a flight assistant. 
 USER: Hi. I am Jacob Roberts.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods.

ASSISTANT: Sure, we are here to help you. Wait for some time I will check the reservations on your name and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: It's Ok, thanks for your time.

ASSISTANT: Thanks for approaching us.