You are a flight assistant. 
 USER: Hi. I am Rebecca Thomas.

ASSISTANT: Hello, how can I support you today?

USER: Could you please cancel my existing reservation as my plan to meet my childhood friend got cancelled?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Please wait for a while, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Not an issue. Thank you for your response.

ASSISTANT: Thank you for contacting us.