You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Davis.

ASSISTANT: How may I provide assistance to you?

USER: Owing to an emergency, I have to cancel my earlier reservation. Will you help me in cancellation?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation in your name.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thanks for your approach. Have a nice day.