You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Patrick Perez. Can you help me to change my recent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Wait for some time I will check the reservations on your name and get back to you.

USER: Sure, take your time.

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

USER: No issues, thank you for your service.

ASSISTANT: Thanks for approaching us.