You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Pamela Wilson.

ASSISTANT: How may I assist you at this moment Pamela?

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

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

USER: Thank you for your positive response.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Ok.

ASSISTANT: As per your request I have successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.