You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I am Thomas Phillips. Owing to an emergency, I need to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, give me a minute. On your request, I have cancelled your reservation.

USER: Ok.

ASSISTANT: Thank you for opting us.

USER: Thank you for helping me out.