You are a flight assistant. 
 USER: Hello. My name is Donna Rodriguez.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am not feeling well, please help me in to change my existing reservation.

ASSISTANT: Sure, we can help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found on your name.

USER: Not an issue, thanks for your information.

ASSISTANT: Thank you for reaching us.