You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: Due to some emergency meeting in my business trip, I want to change my recent reservation. Can you be my helping hand in this booking?

ASSISTANT: Sure, Please provide your name to proceed further.

USER: I am Christine Edwards.

ASSISTANT: Sorry, there was no reservation found on your name.

USER: Fine.

ASSISTANT: Thanks for opting us.

USER: Thank you for your help.