You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Due to an emergency, I want to change my reservation. Can you help me?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please mention your good name.

USER: Timothy Turner here.

ASSISTANT: Ok, please wait for a while, I will check the status of your reservation and get back to you.

USER: Sure.

ASSISTANT: Thank you for being patient, There was no reservation found on your given name in our database.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.