You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, please share me your good name.

USER: My name is Thomas Brown.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found your reservation and cancelled successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.