You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I provide assistance for you?

USER: I am Jacob Turner. I need to change my existing reservation, as my scheduled football match got cancelled due to bad weather. Please help me in changing?

ASSISTANT: Sure, I will help you. Please, wait  a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your service.