You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Shirley Young. I have to change my flight ticket booking which is done in the past month, can you please help me in flight ticket changing?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Thank you for considering my request and I can wait for your response.

ASSISTANT: Shirley, there is no reservation found under your name.

USER: No issues with that one, thank you for your information.

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