You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Wright.

ASSISTANT: In which way I can aid you at this moment?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your previous reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: There is no previous reservation found under your name.

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

ASSISTANT: Thank you for reaching us, have a good day.