You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Linda Johnson.

ASSISTANT: How may I assist you at this moment?

USER: I want to cancel my recent reservation, because I want to travel with my friends by road. Can you help me in cancelling?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: Please give me a moment to check out your reservation status.

USER: Sure.

ASSISTANT: Sorry, we couldn't find your reservation in our database.

USER: That's Ok, thanks for checking.

ASSISTANT: Thank you for reaching us.