You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Wright.

ASSISTANT: How may I serve you at this moment?

USER: I don't know how to cancel a flight ticket, can you please help me in flight ticket cancellation that the planned trip got cancelled?

ASSISTANT: Sure, I am here to help you. Please wait for some time.

USER: Thank you so much and I can wait for your response.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: OK, no issues with that one. I think it is not booked properly while I was booking. Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.