You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Rachel Baker. Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I can help you with it.

USER: Ok.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Rachel Baker, there is no active reservation by this name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for connecting with our services. Have a great day ahead.