You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Due to my health conditions, I want to change my recent reservation.Can you help me with that?

ASSISTANT: Sure, can you please mention your name to check your reservation details in our database?

USER: Anna Rodriguez here.

ASSISTANT: Please wait for a while, let me check your reservation status.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation by your name in our database.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for reaching us.