You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me in changing my reservation, as my interview is postponed?

ASSISTANT: Sure, I am here to assist you with that. Can you please tell me your full name to check the ticket status?

USER: I am Nicole Phillips.

ASSISTANT: Ok, please be on hold for a minute.

USER: Sure.

ASSISTANT: I am really sorry to inform you, there is no active reservation found with your name to change.

USER: No issue, thank you.

ASSISTANT: You are most welcome. Thank you for choosing our travel agency.