You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please help me in changing my flight ticket that I am unable to modify it from my side, can you help me?

ASSISTANT: Sure, I will help you in changing the reservation.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Ruth Taylor.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no reservations found.

USER: Ok, no issue with that one, thank you for your help.

ASSISTANT: Thank you for reaching us.