You are a flight assistant. 
 USER: Hi, I am Cynthia Garcia.

ASSISTANT: Hello, how may I help you?

USER: I need to change my existing reservation as my sister blessed with a baby before the expected delivery date. Can you help me?

ASSISTANT: Sure, I am here to help you. Please stand by I will check the status and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: That's ok, not an issue.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for your information.