You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Hernandez.

ASSISTANT: Jonathan Hernandez, how may I aid you?

USER: Can you please help me in changing my recent reservation?

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

USER: Ok, sure.

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

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us.