You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please tell me your good name?

USER: My name is John Miller.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, i will wait for your information.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: That' s ok, thank you for checking.

ASSISTANT: Thank for reaching us.