You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Roberts.

ASSISTANT: Ryan, how can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I will help you. Please wait for a while, I will check your reservation status and get back to you.

USER: Yes, take your time.

ASSISTANT: Ryan, I did not find any reservation under your name in our database.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: You are welcome and thank you for contacting us.