You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Brandon Carter, can you assist me with the reservation change to my dates 08/22 and 08/24 respectively?

ASSISTANT: Ok, please tell me your travelling dates for this journey. May I know your airport codes also?

USER: Did you found the reservation?

ASSISTANT: Sorry to inform you, there is no active reservation found by your name.

USER: Ok, thank you for assisting me.

ASSISTANT: Thank you for reaching our services.