You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Roberts here.

ASSISTANT: How may I assist you at this moment Ruth?

USER: I would like to cancel my booking due to some office work, can you help me?

ASSISTANT: Sure, I am here to help you, please wait for a minute.

USER: Ok, I will be waiting for your response.

ASSISTANT: Thanks for your waiting, as per your request there is no reservation with your name in our database.

USER: Oh! That's ok. Anyways, thank you for checking.

ASSISTANT: Welcome.