You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, I can help you and can you please let me know your name for checking purpose?

USER: Thank you, I have reserved it on the name of Pamela White.

ASSISTANT: Please allow me a moment to check it in our previous booking list.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience, I found your ticket booking in our data base and it is cancelled from my side.

USER: That's great, thank you for your help.

ASSISTANT: It's my pleasure and thank you for reaching us.

USER: Welcome.