You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Due to some technical issues at my office, I need to change my reservation. Can you help me in changing?

ASSISTANT: Sure, I will help you, may I know your name?

USER: Rebecca Moore is my name.

ASSISTANT: Please wait for a while, I will check whether it is done or not.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your service.