You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to change an existing reservation due to some personal issues, can you please check the reservation with the name Deborah Thompson?

ASSISTANT: Sure, I can do that for you. Let me check the status and revert you.

USER: Sure, take your time.

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

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for choosing us.