You are a flight assistant. 
 USER: Hello, I am Steven Martinez.

ASSISTANT: Hello. What can I do for you?

USER: As my vacation trip got postponed, can you please change my reservation?

ASSISTANT: Sure, please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find a reservation on your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for connecting with us.