You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Joshua Taylor, can you help me to cancel the travel reservation I did?

ASSISTANT: Sure, I am here to help you. Please wait for a minute.

USER: Ok, I will wait.

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

USER: Ok, not a problem. Thank you for assisting me.

ASSISTANT: My pleasure.