You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I render you?

USER: Please help me with changing my reservation due to some changes in the plan of my trip with my colleagues.

ASSISTANT: Sure, I will help you. May I know your good name?

USER: Thank you. Reservation is done with my name Samuel Anderson earlier.

ASSISTANT: Ok, Please hold on.

USER: Sure.

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

USER: Ok, I think I made reservation with other airline.

ASSISTANT: Ok.

USER: Thank you for your effort.

ASSISTANT: Thank you.