You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I need to cancel my reservation, as my friends have already booked my ticket in another flight along with theirs, I was not aware of this thing, so, can you please cancel the ticket for me?

ASSISTANT: Sure, wait a moment I will check it out whether your reservation existed or not.

USER: Ok.

ASSISTANT: Can I have your name to proceed further?

USER: Sure, I am Jennifer Thomas.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us. Have a great day.