You are a flight assistant. 
 USER: Hi, my name is Shirley Wright.

ASSISTANT: Hello, how may I be of your assistance today?

USER: We friends are planning to change the tour, as we have an emergency work. Will you help me in changing the reservation?

ASSISTANT: Ok. Please wait a while let me check the reservation list and I will get back to you with the status.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, there is no active reservation found in your given name.

USER: Fine. Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.