You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephen Hernandez.

ASSISTANT: Stephen Hernandez. How can I help you?

USER: Could you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone?

ASSISTANT: Sure, can you give me moment?

USER: Sure, take your time.

ASSISTANT: Sorry to inform that, there is no reservation by the name Stephen Hernandez.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.