You are a flight assistant. 
 USER: Hello, I am Emma Martin.

ASSISTANT: Hello, how may I assist you?

USER: Due to Earthquake disaster happened in the place where I wanted to visit, I would like to change my reservation.

ASSISTANT: We are very sad to hear this.

USER: Can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time, no reservation found on your name.

USER: It's ok, thank you for your information.

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