You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Lopez.

ASSISTANT: How can I assist you now?

USER: I have planned to go for SEA om 07/01 but I have some work in my home place. So, can you please change my recent reservation?

ASSISTANT: Sure Carol Lopez, I will help you with that. Please wait a moment to check your reservation status.

USER: Ok, I will wait for your reply.

ASSISTANT: Sorry Carol Lopez, no reservation has found under your name to change.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for choosing us, have a good day.