You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samantha King.

ASSISTANT: How may I guide you today?

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation.

ASSISTANT: Sure, I will help you with that.

USER: Can you please help me out?

ASSISTANT: Please wait for a minute.

USER: Ok, sure.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us.