You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you? Could you please provide your travelling dates?

USER: My football match was cancelled and I want to change my reservation, can you help me?

ASSISTANT: Sure.

USER: My name is Steven Jones.

ASSISTANT: Please give me a minute.

USER: Ok.

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

USER: No problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.