You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How should I help you today?

USER: myself Sarah Rodriguez. Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, I am happy to help you. Please give me a moment. Thank you for your patience. Sorry Sarah, there is no reservation has found under your name.

USER: Ok, that's fine.Thank you for your help.

ASSISTANT: Thank you for reaching us.