You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: George Wright here.

ASSISTANT: Nice to meet you.

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Thank you and I will wait.

ASSISTANT: George Wright, there is no active reservation found under your name to do changes in that.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.