You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mary Hall.

ASSISTANT: Hall, how may I render you?

USER: Can you cancel my recent reservation, which I have done with my name?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure, take your time.

ASSISTANT: I found your reservation and cancelled it.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us.