You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Taylor.

ASSISTANT: How may I guide you today?

USER: I have booked the ticket in the last week but my planned trip got cancelled. So, I need to cancel the ticket but I don't know the process. Can you please help me to cancel the ticket?

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: No issues, thank you for your quick response.

ASSISTANT: Thank you for contacting us.