You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Hill.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure, please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: I could not find any reservation with your name in our database.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: My pleasure.