You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please check with my previous booking and help me with cancelling it?

ASSISTANT: Sure, may I know the name to check for the status?

USER: My name is Dorothy Collins.

ASSISTANT: Please be on hold, I will get back to you in a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting.

USER: No issues.

ASSISTANT: Here, there is no active reservation have been found to cancel it.

USER: Oh! That's sad to know. Thank you for checking anyways.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.