You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Timothy Gonzalez. I want to change my reservation to next week, can you help me out?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the status and revert you.

USER: Sure, take your time.

ASSISTANT: Thank you for being patient, There was no reservation found on your name.

USER: Not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.