You are a flight assistant. 
 USER: Hi. Emily Jones here.

ASSISTANT: Hello, how may I assist you?

USER: Can you change my flight ticket reservation?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: I am Emily Jones.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to change.

USER: Not a problem. Thank you.

ASSISTANT: Thank you very much for approaching our agency.