You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Help me with your name please?

USER: Owing to an emergency, I need to change my earlier reservation. Can you please help me with that?

ASSISTANT: Sure.

USER: I am Paul Allen.

ASSISTANT: Ok, Paul Allen. You have no reservation with your name to change the reservation.

USER: Not an issue, thank you for the information.

ASSISTANT: Thanks for picking us. Have a great day.