You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to modify my flight ticket booking due to an issues, can you please assist me with my flight ticket modification process?

ASSISTANT: Yes, can you tell me your name?

USER: Thank you and my name is Jessica Turner.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Not an issues with that one, I think it is not booked properly while I was booking. Thank you for your information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.