You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Jerry Lopez. I need to modify my travel dates, can you help me out?

ASSISTANT: Sure, we are here to help you. Wait for some time I will check the reservations on your name and get back to you.

USER: Thank you and take your own time.

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

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thanks for approaching us.