You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you today?

USER: I am Jonathan Harris.

ASSISTANT: Thanks for sharing your name.

USER: Owing to an emergency I want to cancel my recent reservation. Can you please help me with that?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, stay online I will check with the reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: We found a reservation on your name and your ticket is cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.