You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Due to heavy rains my trip got postponed, will you help me to change my existing reservation?

ASSISTANT: Sure, can I know your good name please?

USER: My good name is Emily Jackson.

ASSISTANT: Ok, please hold for a moment.

USER: Sure.

ASSISTANT: There is no recent reservation found on your good name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.