You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to change my reservation as my get together program got postponed. Can you help me?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: On which name your previous flight ticket has been reserved?

USER: It was reserved by the name Betty Scott.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok fine, thanks for your response.

ASSISTANT: Thanks for consulting us.