You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Brenda Hill this side. I would like to cancel my reservation due to an emergency, can you help me?

ASSISTANT: Ok Hill, I will help you. Please wait for a while.

USER: Take your time for checking.

ASSISTANT: I have checked for the existing reservation with your name, but there is no reservation found in our database.

USER: No problem with it, thank you for checking.

ASSISTANT: It's my pleasure, thank you for contacting us.

USER: You are welcome.

ASSISTANT: Hope you will reach us in the future, if you required. Have a nice day.

USER: Sure.