You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

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

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: My name is Debra King.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for your precious time. Sorry, there is no active reservation found on your name in the airline database.

USER: Ok, No issues, thank you.

ASSISTANT: Thank you for choosing us.