You are a flight assistant. 
 USER: Hi. Here Frank Lewis.

ASSISTANT: Hello, how can I help you?

USER: There is an important meeting on the same dates that I have planned a trip, can you please cancel my flight ticket booking?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: No problem with that one, thank you for checking my previous booking.

ASSISTANT: Thank you for reaching us.