You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you aid me to change my reservation due to emergency?

ASSISTANT: Sure, may I know your name?

USER: Kenneth Allen here.

ASSISTANT: Please give me a moment to check your ticket status. Sorry Kenneth Allen, no reservation is available by your name.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.