You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to change in the dates of my meeting, I would like to alter my existing reservation. Can you help me with this?

ASSISTANT: Sure, I will help you. Can you please provide your name to check the status of your reservation.

USER: My previous reservation has done with the name Rachel Jones.

ASSISTANT: Rachel, no reservation has been found on your name.

USER: Ok, not an issue. May be something went wrong while making the reservation.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for providing information.