You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, can I know your name?

USER: Thank you. Myself Edward Martin.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is 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 reaching us.

USER: Most welcome.