You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jessica Davis.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Ok, the reservation has been found and had been cancelled successfully.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for connecting with our agency.

USER: Welcome.