You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Ok, I can help you. Please tell me your name?

USER: Myself Rachel White.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Sorry Rachel, no flight found with your name.

USER: No problem, thanks for your help.

ASSISTANT: Thanks for opting us. Have a colourful day.