You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: Owing to an emergency, I want to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, may I know your name?

USER: I am Barbara Carter.

ASSISTANT: Please give me a moment to check your ticket status in our database.

USER: Ok.

ASSISTANT: I found your reservation and cancelled it.

USER: Thank you for rendering me.

ASSISTANT: Thank you for reaching us Barbara Carter.