You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I am Ryan Adams.

ASSISTANT: Nice to meet you Ryan.

USER: I want to cancel my recent reservation, due to exams. Can you help me out?

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

USER: Ok,.

ASSISTANT: Based on your request I cannot find any reservation with your name.

USER: That's really sad.

ASSISTANT: Thanks for contacting us.

USER: Thank you for your help.