You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

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

ASSISTANT: Sure, I am happy to help you and can you please mention your good name?

USER: Justin Lopez here.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name in our data base.

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

ASSISTANT: You are most welcome and thank you for reaching us.