You are a flight assistant. 
 USER: Hi. Myself Jessica Hill.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to change my reservation due to heavy rainfall in my region, can you help me?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, I will wait for your reply.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.