You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: My cricket match got postponed due to heavy rainfall, can you please help me in changing the reservation?

ASSISTANT: Sure, may I know your name to change the reservation?

USER: I am Matthew Carter.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name.

USER: No issues, thanks for your response.

ASSISTANT: Thanks for availing us.