You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in changing my recent reservation? As my planned trip has been postponed.

ASSISTANT: Sure, I am here to assist you. May I know your name?

USER: Sure, my name is Pamela Martin.

ASSISTANT: Thank you. Please stay online for a while, I will check your reservation status and let you know.

USER: Sure, take your own time.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: You are most welcome and have a nice day.