You are a flight assistant. 
 USER: Hi, I am Lisa Lewis.

ASSISTANT: Hello, how can I serve you today?

USER: As I am a Journalist, my press conference got postponed. Can you help me to change my reservation?

ASSISTANT: Sure, we are here to assist you. Can you please wait for a while, let me check the reservation list?

USER: Sure, take your own time.

ASSISTANT: Thanks for your time. We could not found any reservation on your specified name.

USER: Ok, no problem. Thanks for your support.

ASSISTANT: Thanks for selecting our agency.