You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Owing to an emergency I had to request for this change reservation.

ASSISTANT: Ok, I will help you in doing that. Let me know your name to check the reservation.

USER: I am Laura Young.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thanks for your time, I did not find any reservation on your name to proceed for modification.

USER: Thanks.

ASSISTANT: Thank you for reaching us.