You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: As I am not issued with my leave, I would like to change my reservation. Can you help me with it?

ASSISTANT: Sure, can you please help me with your name?

USER: I am Stephanie Baker.

ASSISTANT: Thank you for your details. Sorry, we did not found any reservation on your name.

USER: Fine, thank you.

ASSISTANT: Thank you for reaching us.