You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. what can I do for you at this moment?

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

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Can I know your good name for further proceedings?

USER: I am Thomas Brown.

ASSISTANT: Ok, please wait for few minutes, let me check with your recent reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no recent reservation found on your name in our data base.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.