You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Justin Garcia here.

ASSISTANT: How may I assist you?

USER: My cricket match has been postponed due to bad weather in Washington. So can you cancel my flight ticket reservation?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.