You are a flight assistant. 
 USER: Hi, myself Rachel Brown.

ASSISTANT: Hello Brown, how may I help you?

USER: I want to cancel my reservation as I am unwell, can you please help me to cancel my reservation?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry, no reservation is found by your name.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for contacting us.