You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Owing to an emergency I need to change my reservation, can you please help me?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: In whose name, the reservation has been made earlier?

USER: I am Kathleen Adams.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.