You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brian Baker here.

ASSISTANT: How may I guide you?

USER: Can you cancel my flight ticket reservation? As my business trip has been postponed to some other date in Los Angeles.

ASSISTANT: Baker, I am here to help you for this. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Baker sorry to intimate, no reservation is found on your name in our records.

USER: That is not a problem.

ASSISTANT: Thank you Baker for utilizing our agency.

USER: Thank you.

ASSISTANT: You are welcome.