You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My leg got fracture yesterday, so I will not able to travel for few months. Could you please help me with cancelling my tickets?

ASSISTANT: Sure, please tell your name to check your details and cancel your reservation?

USER: Sure, my name is Kevin Parker.

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

USER: Ok, no problem.

ASSISTANT: Thank you and have a nice day.

USER: Thank you for your information.