You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Jerry Gonzalez. I want to change the dates of my exciting reservations, can you help me out?

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: There is no reservation on your name in our database.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you for reaching us.