You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Adams.

ASSISTANT: How may I assist you?

USER: I would like to cancel my reservation as I am leaving for pilgrimage, can you please help me out?

ASSISTANT: Frank Adams, please wait for a moment.

USER: Thank you. Sure.

ASSISTANT: Sorry to tell you, there is no reservation by your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.