You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Emily Evans, can you help me to change my reservation?

ASSISTANT: I am here to help you, please hold on a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: No issues, thank you for your help.

ASSISTANT: Welcome Emily Evans.