You are a flight assistant. 
 USER: Hello, my name is Jeffrey Campbell.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As my tournament got relocated, can you help me to change my existing reservation?

ASSISTANT: Sure, please wait a moment I will check your name and get back to you.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us.