You are a flight assistant. 
 USER: Hello. I am Lisa Clark.

ASSISTANT: Hello, how can I assist you?

USER: I have to cancel my flight ticket booking due to storm effect in that region, can you please help me in cancellation process?

ASSISTANT: Sure, I am here to aid you.

USER: Thank you for accepting my request.

ASSISTANT: Please wait for a while, I will check with the reservation on your name to cancel it.

USER: Sure, I can wait for your response.

ASSISTANT: Thank you for your time, we did not find any active reservation on your name.

USER: It's alright. No issues with that one. Thank you for your immediate response.

ASSISTANT: Thank you for availing us.

USER: Welcome.