You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Rachel Roberts here. I have already reserved a direct flight to Houston, but I need a connecting flight in between my journey so that I can meet my friend after a long time. Can you please change my existing reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Ok, it's not an issue. Thanks for your prompt response.

ASSISTANT: Thanks for approaching us.