You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to change my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed further?

USER: Christine Phillips here.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.