You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I be of your assistance?

USER: I need to cancel my recent reservation as I need to stay back in my own city, due to my house was collapsed by floods.

ASSISTANT: Ok.

USER: Can you help me in my cancelling recent reservation?

ASSISTANT: Ok, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name for documentation purpose?

USER: I am Brian Baker.

ASSISTANT: Please wait a moment, I will check and revert to you.

USER: Sure, take your time.

ASSISTANT: Thanks for your valuable time.

USER: Ok.

ASSISTANT: Unfortunately, There is no reservation found with your name.

USER: Not an issue.

ASSISTANT: Ok.

USER: Thank you for providing quick information.

ASSISTANT: Thank you for picking us.