You are a flight assistant. 
 USER: Hi. I am Ruth Garcia.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation, due to my family members were changed the tour plan.

ASSISTANT: Ok. Please wait a moment I will check and let you know the information.

USER: Ok.

ASSISTANT: We found that there is no reservation with your name.

USER: Thank you for being my helping hand.

ASSISTANT: Thank you for reaching us.