You are a flight assistant. 
 USER: Hi. I am Kevin Thomas.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I need to change my existing reservation, as my scheduled football match got postponed due to bad weather.

ASSISTANT: Ok.

USER: Can you help me in my changing reservation?

ASSISTANT: Sure, I am here to assist you. Please give me a moment.

USER: Sure, I will wait for your response.

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

USER: Not an issue, thank you for your kind response.

ASSISTANT: Thank you for availing us.