You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you?

USER: I am Christine Martinez. My friend's marriage was postponed.So that I wanted to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: I am Christine Martinez.

ASSISTANT: Sorry, there is no reservation found for you.

USER: OK, no problem. Thank you for helping me.

ASSISTANT: Thank you for reaching us.Have a great day.