You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning. How may I guide you?

USER: Due to a sudden climate change in  Houston, I would like to cancel my trip.

ASSISTANT: Sure, can I know the name on which the ticket has been booked.

USER: The ticket was booked with my name which is Sarah Martinez.

ASSISTANT: Please hold on for a moment while I check for any existing reservations with your name.

USER: Sure.

ASSISTANT: I am sorry to inform you that there are no existing reservations with your name.

USER: No problem as I already wanted to cancel my reservation. Thank you for your information.

ASSISTANT: Thank you, have a good day.