You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: Due to Earthquake disaster happened in the place where I wanted to visit, I would like to change my reservation. Can you be my helping hand in this?

ASSISTANT: Ok. For changing the reservation, help me with your name please.

USER: I am Nancy Campbell.

ASSISTANT: Sorry, there was no reservation on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your quick response.