You are a flight assistant. 
 USER: Hi, I am Emily Martinez.

ASSISTANT: Hello Emily Martinez. How may I best serve you today?

USER: As sudden demise of my grand father, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, please standby. I will check the reservation list and revert to you.

USER: Ok.

ASSISTANT: Thank you for contacting us, but we are unable to find any reservation on your name.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us, have a wonderful day.