You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I have reserved a ticket last week to meet my friend but suddenly my trip got postponed due to some issues. So please help me with changing my reservation.

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: On whose name, you have reserved the ticket earlier?

USER: I have reserved my ticket with my name  Ashley Anderson.

ASSISTANT: Ok, please allow me a few minutes to check the reservation list.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, no reservation was found on your name to change.

USER: Oh! It may not be booked properly due to some technical issues. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.