You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: i am Dorothy White. Due to Earthquake disaster happened in the place where I wanted to visit, I would like to change my reservation. Can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

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

USER: Sure.

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

USER: It's ok, thank you.

ASSISTANT: Thanks for approaching us.