You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Clark.

ASSISTANT: How can I server you today?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Please be on hold. I will check your status and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your name to cancel.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.