You are a flight assistant. 
 USER: Hello, Robert Adams is my name.

ASSISTANT: Hello. How can I serve you?

USER: The Business trip has been postponed to some other dates. So I intend to change the reservation.

ASSISTANT: Ok.

USER: Can you help me in this ?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: Please wait for few seconds, I will check and revert to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: No worries at all. Thank you for aiding me.

ASSISTANT: Thank you.