You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need to change my reservation due to my planned event got postponed. So please help me with that.

ASSISTANT: Sure, could you please help me with your name?

USER: Thank you. Myself Christine Hill.

ASSISTANT: Wait a minute.

USER: Sure, take  your time.

ASSISTANT: Sorry, there was no reservation found on your name.

USER: Oh! It may not be booked properly due to server issues while booking. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.