You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thank you.

ASSISTANT: Please let me know your name to check the reservation list.

USER: My name is Jacob Taylor.

ASSISTANT: Ok, give me a minute.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, we found a reservation by this name.

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.