You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for today?

USER: Can you help me to change my recent reservation because my trip dates are got postponed, can you help me?

ASSISTANT: I am here to help you about that. Can you please provide your name for checking the reservation status?

USER: I am Scott Parker.

ASSISTANT: Please wait for a while to check the reservation status.

USER: Sure, take your own time.

ASSISTANT: Sorry for the trouble which is caused to you, I have not found any reservation on your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us.