You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Shirley Walker.

ASSISTANT: Nice to meet you Shirley.

USER: In my trip one of my friend's health is not good, could you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am happy to help you. Will you please wait a moment to check it.

USER: Ok.

ASSISTANT: Thank you for your patience, sorry Walker, as per your request there is no ticket found in our data. Do you have any other places want to book a ticket for any other date and destination?

USER: No, I don't want any other help.

ASSISTANT: Ok, thank you for reaching us with your valuable time. Have a great day.

USER: Thank you for your quick response.