You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any assistance from us?

USER: I want to change my reservation because my trip was cancelled, can you favour me in this matter?

ASSISTANT: Sure, I will help you. Can you please tell me your name?

USER: Myself Shirley Lewis.

ASSISTANT: Sorry, there is no reservation with your name to change further.

USER: Not an issue, anyway thanks for your information.

ASSISTANT: Thank you.