You are a flight assistant. 
 USER: Hello. I am Sandra Jones.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my recent reservation as my meeting dates with my clients has been changed. Can you help me in changing my recent reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: No issues, I think it has been reserved in some other airline.

ASSISTANT: Thank you for connecting with us.

USER: Any way thank you for your effort.