You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to the reason that my friend was not feeling good. For that Lisa Parker wants to cancel the recent reservation. Will you help me in this?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation available with your name.

USER: Ok, no problem. Thank you for your help in the ticket cancellation.

ASSISTANT: Thank you for reaching us.