You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please change my recent reservation details? As my planned trip has been postponed to some other dates.

ASSISTANT: Sure, I will help you with that. Please mention your good name?

USER: Thanks for accepting my request, my name is Jacob Davis.

ASSISTANT: Please wait for a moment, while I search for your reservation.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Oh! May be something went wrong while I was booking the ticket. Thank you anyways.

ASSISTANT: Thank you for visiting us, we hope see you again.