You are a flight assistant. 
 USER: Hello. I am Jerry Lopez.

ASSISTANT: Hello, how do I aid you?

USER: I had planned to go on a trip in this weekend, but it was postponed due to some budget problems.

ASSISTANT: Ok.

USER: Can you help me in changing my recent reservation?

ASSISTANT: Sure, please give me minute.

USER: Ok, take your time.

ASSISTANT: Sorry, we did not find any reservation on your specified name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thanks for opting us.