You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: Earlier I made a reservation for direct flight but my expenses going to high in my trip so, I want to modify my reservation for a connecting flight to save some of my money. Can you assist me?

ASSISTANT: Sure, I will help you to change your reservation.

USER: Thanks.

ASSISTANT: May I know the name on which reservation is done?

USER: Helen Jackson is the name.

ASSISTANT: Ok, please wait for a moment while I check for the reservation.

USER: OK.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, no problem at all. Thanks for the information.

ASSISTANT: Thank you for reaching us.