You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to change my recent reservation. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: My name is Kevin Lopez.

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

USER: sure.

ASSISTANT: Sorry Kevin Lopez, no reservation is available by your name.

USER: No issue, thank you for your time.

ASSISTANT: Thank you for reaching us.