You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How do I assist you today?

USER: Jennifer Carter is here. I would like to change my existing reservation, can you please help me in changing?

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to change.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for connecting with us.