You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your service?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, we are mirthful to assist you. Please share your name.

USER: My name is Ronald Davis.

ASSISTANT: Thank you for providing your name, give me some time.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for approaching us.