You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jason Baker.

ASSISTANT: How may I help you?

USER: Actually, I had done a mistake in making a reservation on my name.

ASSISTANT: Ok.

USER: So, I want to change my reservation.

ASSISTANT: Sure, I will help you. Please give me a minute to check.

USER: Ok.

ASSISTANT: Sorry. There is no reservation on your name.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.