You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Melissa Mitchell. Due to some technical issue in our office, I want to solve the issue. Regarding that, Can you cancel my booking?

ASSISTANT: Sure, I can help you with that.

USER: Thanks.

ASSISTANT: Please allow me a moment to check for the previous reservation.

USER: Sure.

ASSISTANT: Your patience is greatly appreciated. Melissa, I see that there is no reservation found under your name.

USER: It's fine.

ASSISTANT:  Thank you for reaching us, get back to us if you have any queries.

USER: No thanks. Anyway, thank you for your help.

ASSISTANT: You are welcome.