You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, will you please let me know your name?

USER: Emma Collins here.

ASSISTANT: Ok, please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting Emma Collins, we could not find any reservation active by your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.