You are a flight assistant. 
 USER: Hello, I am Pamela Parker.

ASSISTANT: Hello, how could I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Sure, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform, we did not found any reservation on your given name in our data base.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us help.