You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation, so can you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I have your name please to check the status of your reservation?

USER: Janet Nelson here.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, no active reservation was found on your name in the database.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.