You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Jennifer Edwards. I want to cancel my flight ticket, due to some problems I am unable to travel those dates so can you please cancel my flight ticket?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Most welcome.