You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

USER: I am Linda Lewis here. I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, we are here to help you. Please wait a moment I will check the reservation list.

USER: Thank you for considering my request., I will wait for your response.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found by your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.