You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I want to change my recent reservation which is done earlier, due to the sudden change of my client meeting location. Can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Sure, I will wait for your response.

ASSISTANT: Please share your name to check the status.

USER: I am Ronald Miller.

ASSISTANT: Ok, please stand by I will get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to say no reservation found on your name.

USER: Ok, No probem at all.

ASSISTANT: Thank you for opting us, have a nice day.

USER: Thanks for your kind service.